**Test standard:** UL 1230

**Standard title:** Amateur Movie Lights

**NRTL:** CSA

**Laboratory:** CSA Group Testing and Certification Inc.

**Status:** currently recognized

> UL 1230 | Amateur Movie Lights |

Source: <https://www.osha.gov/nationally-recognized-testing-laboratory-program/csa>

UL 1230 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** UL 1236

**Standard title:** Electric Battery Chargers

**NRTL:** CSA

**Laboratory:** CSA Group Testing and Certification Inc.

**Status:** currently recognized

> UL 1236 | Electric Battery Chargers |

Source: <https://www.osha.gov/nationally-recognized-testing-laboratory-program/csa>

UL 1236 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** UL 1238

**Standard title:** Control Equipment for Use With Flammable Liquid Dispensing Devices

**NRTL:** CSA

**Laboratory:** CSA Group Testing and Certification Inc.

**Status:** currently recognized

> UL 1238 | Control Equipment for Use With Flammable Liquid Dispensing Devices |

Source: <https://www.osha.gov/nationally-recognized-testing-laboratory-program/csa>

UL 1238 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** UL 1240

**Standard title:** Electric Commercial Clothes-Drying Equipment

**NRTL:** CSA

**Laboratory:** CSA Group Testing and Certification Inc.

**Status:** currently recognized

> UL 1240 | Electric Commercial Clothes-Drying Equipment |

Source: <https://www.osha.gov/nationally-recognized-testing-laboratory-program/csa>

UL 1240 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** UL 1241

**Standard title:** Junction Boxes for Swimming Pool Lighting Fixtures

**NRTL:** CSA

**Laboratory:** CSA Group Testing and Certification Inc.

**Status:** currently recognized

> UL 1241 | Junction Boxes for Swimming Pool Lighting Fixtures |

Source: <https://www.osha.gov/nationally-recognized-testing-laboratory-program/csa>

UL 1241 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** UL 1242

**Standard title:** Intermediate Metal Conduit

**NRTL:** CSA

**Laboratory:** CSA Group Testing and Certification Inc.

**Status:** currently recognized

> UL 1242 | Intermediate Metal Conduit |

Source: <https://www.osha.gov/nationally-recognized-testing-laboratory-program/csa>

UL 1242 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** UL 1248

**Standard title:** Engine-Generator Assemblies for Use in Recreational Vehicles

**NRTL:** CSA

**Laboratory:** CSA Group Testing and Certification Inc.

**Status:** currently recognized

> UL 1248 | Engine-Generator Assemblies for Use in Recreational Vehicles |

Source: <https://www.osha.gov/nationally-recognized-testing-laboratory-program/csa>

UL 1248 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** UL 125

**Standard title:** Valves for Anhydrous Ammonia and LP-Gas (Other Than Safety Relief)

**NRTL:** CSA

**Laboratory:** CSA Group Testing and Certification Inc.

**Status:** currently recognized

> UL 125 | Valves for Anhydrous Ammonia and LP-Gas (Other Than Safety Relief) |

Source: <https://www.osha.gov/nationally-recognized-testing-laboratory-program/csa>

UL 125 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** UL 1261

**Standard title:** Electric Water Heaters for Pools and Tubs

**NRTL:** CSA

**Laboratory:** CSA Group Testing and Certification Inc.

**Status:** currently recognized

> UL 1261 | Electric Water Heaters for Pools and Tubs |

Source: <https://www.osha.gov/nationally-recognized-testing-laboratory-program/csa>

UL 1261 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** UL 1277

**Standard title:** Electrical Power and Control Tray Cables With Optional Optical-Fiber Members

**NRTL:** CSA

**Laboratory:** CSA Group Testing and Certification Inc.

**Status:** currently recognized

> UL 1277 | Electrical Power and Control Tray Cables With Optional Optical-Fiber Members |

Source: <https://www.osha.gov/nationally-recognized-testing-laboratory-program/csa>

UL 1277 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** UL 1278

**Standard title:** Movable and Wall - or Ceiling-Hung Electric Room

**NRTL:** CSA

**Laboratory:** CSA Group Testing and Certification Inc.

**Status:** currently recognized

> UL 1278 | Movable and Wall - or Ceiling-Hung Electric Room |

Source: <https://www.osha.gov/nationally-recognized-testing-laboratory-program/csa>

UL 1278 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** UL 1283

**Standard title:** Electromagnetic-Interference Filter

**NRTL:** CSA

**Laboratory:** CSA Group Testing and Certification Inc.

**Status:** currently recognized

> UL 1283 | Electromagnetic-Interference Filter |

Source: <https://www.osha.gov/nationally-recognized-testing-laboratory-program/csa>

UL 1283 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** UL 1286

**Standard title:** Office Furnishings

**NRTL:** CSA

**Laboratory:** CSA Group Testing and Certification Inc.

**Status:** currently recognized

> UL 1286 | Office Furnishings |

Source: <https://www.osha.gov/nationally-recognized-testing-laboratory-program/csa>

UL 1286 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** UL 13

**Standard title:** Power-Limited Circuit Cables

**NRTL:** CSA

**Laboratory:** CSA Group Testing and Certification Inc.

**Status:** currently recognized

> UL 13 | Power-Limited Circuit Cables |

Source: <https://www.osha.gov/nationally-recognized-testing-laboratory-program/csa>

UL 13 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** UL 130

**Standard title:** Electric Heating Pads

**NRTL:** CSA

**Laboratory:** CSA Group Testing and Certification Inc.

**Status:** currently recognized

> UL 130 | Electric Heating Pads |

Source: <https://www.osha.gov/nationally-recognized-testing-laboratory-program/csa>

UL 130 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** UL 1310

**Standard title:** Direct Plug-In Transformer Units

**NRTL:** CSA

**Laboratory:** CSA Group Testing and Certification Inc.

**Status:** currently recognized

> UL 1310 | Direct Plug-In Transformer Units |

Source: <https://www.osha.gov/nationally-recognized-testing-laboratory-program/csa>

UL 1310 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** UL 1313

**Standard title:** Nonmetallic Safety Cans for Petroleum Products

**NRTL:** CSA

**Laboratory:** CSA Group Testing and Certification Inc.

**Status:** currently recognized

> UL 1313 | Nonmetallic Safety Cans for Petroleum Products |

Source: <https://www.osha.gov/nationally-recognized-testing-laboratory-program/csa>

UL 1313 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** UL 132

**Standard title:** Safety Relief Valves for Anhydrous Ammonia and LP-Gas

**NRTL:** CSA

**Laboratory:** CSA Group Testing and Certification Inc.

**Status:** currently recognized

> UL 132 | Safety Relief Valves for Anhydrous Ammonia and LP-Gas |

Source: <https://www.osha.gov/nationally-recognized-testing-laboratory-program/csa>

UL 132 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** UL 1323

**Standard title:** Scaffold Hoists

**NRTL:** CSA

**Laboratory:** CSA Group Testing and Certification Inc.

**Status:** currently recognized

> UL 1323 | Scaffold Hoists |

Source: <https://www.osha.gov/nationally-recognized-testing-laboratory-program/csa>

UL 1323 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** UL 1363

**Standard title:** Temporary Power Taps

**NRTL:** CSA

**Laboratory:** CSA Group Testing and Certification Inc.

**Status:** currently recognized

> UL 1363 | Temporary Power Taps |

Source: <https://www.osha.gov/nationally-recognized-testing-laboratory-program/csa>

UL 1363 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** UL 141

**Standard title:** Garment Finishing Appliances

**NRTL:** CSA

**Laboratory:** CSA Group Testing and Certification Inc.

**Status:** currently recognized

> UL 141 | Garment Finishing Appliances |

Source: <https://www.osha.gov/nationally-recognized-testing-laboratory-program/csa>

UL 141 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** UL 1419

**Standard title:** Professional Video and Audio Equipment

**NRTL:** CSA

**Laboratory:** CSA Group Testing and Certification Inc.

**Status:** currently recognized

> UL 1419 | Professional Video and Audio Equipment |

Source: <https://www.osha.gov/nationally-recognized-testing-laboratory-program/csa>

UL 1419 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** UL 1424

**Standard title:** Cables for Power-Limited Fire-Protective-Signaling Circuits

**NRTL:** CSA

**Laboratory:** CSA Group Testing and Certification Inc.

**Status:** currently recognized

> UL 1424 | Cables for Power-Limited Fire-Protective-Signaling Circuits |

Source: <https://www.osha.gov/nationally-recognized-testing-laboratory-program/csa>

UL 1424 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** UL 1425

**Standard title:** Cables for Non-Power-Limited Fire-Alarm Circuits

**NRTL:** CSA

**Laboratory:** CSA Group Testing and Certification Inc.

**Status:** currently recognized

> UL 1425 | Cables for Non-Power-Limited Fire-Alarm Circuits |

Source: <https://www.osha.gov/nationally-recognized-testing-laboratory-program/csa>

UL 1425 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** UL 1429

**Standard title:** Pullout Switches

**NRTL:** CSA

**Laboratory:** CSA Group Testing and Certification Inc.

**Status:** currently recognized

> UL 1429 | Pullout Switches |

Source: <https://www.osha.gov/nationally-recognized-testing-laboratory-program/csa>

UL 1429 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** UL 1431

**Standard title:** Personal Hygiene and Health Care Appliances

**NRTL:** CSA

**Laboratory:** CSA Group Testing and Certification Inc.

**Status:** currently recognized

> UL 1431 | Personal Hygiene and Health Care Appliances |

Source: <https://www.osha.gov/nationally-recognized-testing-laboratory-program/csa>

UL 1431 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** UL 1434

**Standard title:** Thermistor-Type Devices

**NRTL:** CSA

**Laboratory:** CSA Group Testing and Certification Inc.

**Status:** currently recognized

> UL 1434 | Thermistor-Type Devices |

Source: <https://www.osha.gov/nationally-recognized-testing-laboratory-program/csa>

UL 1434 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** UL 1436

**Standard title:** Outlet Circuit Testers and Similar Indicating Devices

**NRTL:** CSA

**Laboratory:** CSA Group Testing and Certification Inc.

**Status:** currently recognized

> UL 1436 | Outlet Circuit Testers and Similar Indicating Devices |

Source: <https://www.osha.gov/nationally-recognized-testing-laboratory-program/csa>

UL 1436 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** UL 1437

**Standard title:** Electrical Analog Instruments, Panelboard Types

**NRTL:** CSA

**Laboratory:** CSA Group Testing and Certification Inc.

**Status:** currently recognized

> UL 1437 | Electrical Analog Instruments, Panelboard Types |

Source: <https://www.osha.gov/nationally-recognized-testing-laboratory-program/csa>

UL 1437 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** UL 144

**Standard title:** Pressure Regulating Valves for LP-Gas

**NRTL:** CSA

**Laboratory:** CSA Group Testing and Certification Inc.

**Status:** currently recognized

> UL 144 | Pressure Regulating Valves for LP-Gas |

Source: <https://www.osha.gov/nationally-recognized-testing-laboratory-program/csa>

UL 144 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** UL 1447

**Standard title:** Electric Lawn Mowers

**NRTL:** CSA

**Laboratory:** CSA Group Testing and Certification Inc.

**Status:** currently recognized

> UL 1447 | Electric Lawn Mowers |

Source: <https://www.osha.gov/nationally-recognized-testing-laboratory-program/csa>

UL 1447 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** UL 1449

**Standard title:** Transient Voltage Surge Suppressors

**NRTL:** CSA

**Laboratory:** CSA Group Testing and Certification Inc.

**Status:** currently recognized

> UL 1449 | Transient Voltage Surge Suppressors |

Source: <https://www.osha.gov/nationally-recognized-testing-laboratory-program/csa>

UL 1449 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** UL 1450

**Standard title:** Motor-Operated Air Compressors, Vacuum Pumps and Painting Equipment

**NRTL:** CSA

**Laboratory:** CSA Group Testing and Certification Inc.

**Status:** currently recognized

> UL 1450 | Motor-Operated Air Compressors, Vacuum Pumps and Painting Equipment |

Source: <https://www.osha.gov/nationally-recognized-testing-laboratory-program/csa>

UL 1450 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** UL 1453

**Standard title:** Electric Booster and Commercial Storage Tank Water Heaters

**NRTL:** CSA

**Laboratory:** CSA Group Testing and Certification Inc.

**Status:** currently recognized

> UL 1453 | Electric Booster and Commercial Storage Tank Water Heaters |

Source: <https://www.osha.gov/nationally-recognized-testing-laboratory-program/csa>

UL 1453 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** UL 147

**Standard title:** LP- and MPS-Gas Torches

**NRTL:** CSA

**Laboratory:** CSA Group Testing and Certification Inc.

**Status:** currently recognized

> UL 147 | LP- and MPS-Gas Torches |

Source: <https://www.osha.gov/nationally-recognized-testing-laboratory-program/csa>

UL 147 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** UL 1472

**Standard title:** Solid-State Dimming Controls

**NRTL:** CSA

**Laboratory:** CSA Group Testing and Certification Inc.

**Status:** currently recognized

> UL 1472 | Solid-State Dimming Controls |

Source: <https://www.osha.gov/nationally-recognized-testing-laboratory-program/csa>

UL 1472 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** UL 1482

**Standard title:** Solid-Fuel Room Type Heaters

**NRTL:** CSA

**Laboratory:** CSA Group Testing and Certification Inc.

**Status:** currently recognized

> UL 1482 | Solid-Fuel Room Type Heaters |

Source: <https://www.osha.gov/nationally-recognized-testing-laboratory-program/csa>

UL 1482 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** UL 1484

**Standard title:** Residential Gas Detectors

**NRTL:** CSA

**Laboratory:** CSA Group Testing and Certification Inc.

**Status:** currently recognized

> UL 1484 | Residential Gas Detectors |

Source: <https://www.osha.gov/nationally-recognized-testing-laboratory-program/csa>

UL 1484 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** UL 1492

**Standard title:** Audio and Video Equipment

**NRTL:** CSA

**Laboratory:** CSA Group Testing and Certification Inc.

**Status:** currently recognized

> UL 1492 | Audio and Video Equipment |

Source: <https://www.osha.gov/nationally-recognized-testing-laboratory-program/csa>

UL 1492 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** UL 150

**Standard title:** Antenna Rotators

**NRTL:** CSA

**Laboratory:** CSA Group Testing and Certification Inc.

**Status:** currently recognized

> UL 150 | Antenna Rotators |

Source: <https://www.osha.gov/nationally-recognized-testing-laboratory-program/csa>

UL 150 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** UL 153

**Standard title:** Portable Electric Lamps

**NRTL:** CSA

**Laboratory:** CSA Group Testing and Certification Inc.

**Status:** currently recognized

> UL 153 | Portable Electric Lamps |

Source: <https://www.osha.gov/nationally-recognized-testing-laboratory-program/csa>

UL 153 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** UL 1557

**Standard title:** Electrically Isolated Semiconductor Devices

**NRTL:** CSA

**Laboratory:** CSA Group Testing and Certification Inc.

**Status:** currently recognized

> UL 1557 | Electrically Isolated Semiconductor Devices |

Source: <https://www.osha.gov/nationally-recognized-testing-laboratory-program/csa>

UL 1557 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** UL 1558

**Standard title:** Metal Enclosed Low-Voltage Power Circuit Breaker Switchgear

**NRTL:** CSA

**Laboratory:** CSA Group Testing and Certification Inc.

**Status:** currently recognized

> UL 1558 | Metal Enclosed Low-Voltage Power Circuit Breaker Switchgear |

Source: <https://www.osha.gov/nationally-recognized-testing-laboratory-program/csa>

UL 1558 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** UL 1559

**Standard title:** Insect-Control Equipment, Electrocution type

**NRTL:** CSA

**Laboratory:** CSA Group Testing and Certification Inc.

**Status:** currently recognized

> UL 1559 | Insect-Control Equipment, Electrocution type |

Source: <https://www.osha.gov/nationally-recognized-testing-laboratory-program/csa>

UL 1559 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** UL 1561

**Standard title:** Large General Purpose Transformers

**NRTL:** CSA

**Laboratory:** CSA Group Testing and Certification Inc.

**Status:** currently recognized

> UL 1561 | Large General Purpose Transformers |

Source: <https://www.osha.gov/nationally-recognized-testing-laboratory-program/csa>

UL 1561 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** UL 1562

**Standard title:** Transformers, Distribution, Dry Type - Over 600 Volts

**NRTL:** CSA

**Laboratory:** CSA Group Testing and Certification Inc.

**Status:** currently recognized

> UL 1562 | Transformers, Distribution, Dry Type - Over 600 Volts |

Source: <https://www.osha.gov/nationally-recognized-testing-laboratory-program/csa>

UL 1562 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** UL 1563

**Standard title:** Electric Spas, Equipment Assemblies, and Associated Equipment

**NRTL:** CSA

**Laboratory:** CSA Group Testing and Certification Inc.

**Status:** currently recognized

> UL 1563 | Electric Spas, Equipment Assemblies, and Associated Equipment |

Source: <https://www.osha.gov/nationally-recognized-testing-laboratory-program/csa>

UL 1563 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** UL 1564

**Standard title:** Industrial Battery Chargers

**NRTL:** CSA

**Laboratory:** CSA Group Testing and Certification Inc.

**Status:** currently recognized

> UL 1564 | Industrial Battery Chargers |

Source: <https://www.osha.gov/nationally-recognized-testing-laboratory-program/csa>

UL 1564 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** UL 1565

**Standard title:** Wire Positioning Devices

**NRTL:** CSA

**Laboratory:** CSA Group Testing and Certification Inc.

**Status:** currently recognized

> UL 1565 | Wire Positioning Devices |

Source: <https://www.osha.gov/nationally-recognized-testing-laboratory-program/csa>

UL 1565 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** UL 1567

**Standard title:** Receptacles and Switches Intended for Use With Aluminum Wire

**NRTL:** CSA

**Laboratory:** CSA Group Testing and Certification Inc.

**Status:** currently recognized

> UL 1567 | Receptacles and Switches Intended for Use With Aluminum Wire |

Source: <https://www.osha.gov/nationally-recognized-testing-laboratory-program/csa>

UL 1567 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** UL 1569

**Standard title:** Metal-Clad Cables

**NRTL:** CSA

**Laboratory:** CSA Group Testing and Certification Inc.

**Status:** currently recognized

> UL 1569 | Metal-Clad Cables |

Source: <https://www.osha.gov/nationally-recognized-testing-laboratory-program/csa>

UL 1569 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** UL 1573

**Standard title:** Stage and Studio Lighting Units

**NRTL:** CSA

**Laboratory:** CSA Group Testing and Certification Inc.

**Status:** currently recognized

> UL 1573 | Stage and Studio Lighting Units |

Source: <https://www.osha.gov/nationally-recognized-testing-laboratory-program/csa>

UL 1573 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** UL 1574

**Standard title:** Track Lighting Systems

**NRTL:** CSA

**Laboratory:** CSA Group Testing and Certification Inc.

**Status:** currently recognized

> UL 1574 | Track Lighting Systems |

Source: <https://www.osha.gov/nationally-recognized-testing-laboratory-program/csa>

UL 1574 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** UL 1577

**Standard title:** Optical Isolators

**NRTL:** CSA

**Laboratory:** CSA Group Testing and Certification Inc.

**Status:** currently recognized

> UL 1577 | Optical Isolators |

Source: <https://www.osha.gov/nationally-recognized-testing-laboratory-program/csa>

UL 1577 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** UL 1581

**Standard title:** Reference Standard for Electrical Wires, Cables, and Flexible Cords

**NRTL:** CSA

**Laboratory:** CSA Group Testing and Certification Inc.

**Status:** currently recognized

> UL 1581 | Reference Standard for Electrical Wires, Cables, and Flexible Cords |

Source: <https://www.osha.gov/nationally-recognized-testing-laboratory-program/csa>

UL 1581 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** UL 1594

**Standard title:** Sewing and Cutting Machines

**NRTL:** CSA

**Laboratory:** CSA Group Testing and Certification Inc.

**Status:** currently recognized

> UL 1594 | Sewing and Cutting Machines |

Source: <https://www.osha.gov/nationally-recognized-testing-laboratory-program/csa>

UL 1594 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** UL 1598

**Standard title:** Luminaires

**NRTL:** CSA

**Laboratory:** CSA Group Testing and Certification Inc.

**Status:** currently recognized

> UL 1598 | Luminaires |

Source: <https://www.osha.gov/nationally-recognized-testing-laboratory-program/csa>

UL 1598 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** UL 1598C

**Standard title:** Standard for Light Emitting Diode (LED) Retrofit Luminaire Conversion Kits.

**NRTL:** CSA

**Laboratory:** CSA Group Testing and Certification Inc.

**Status:** currently recognized

> UL 1598C | Standard for Light Emitting Diode (LED) Retrofit Luminaire Conversion Kits. |

Source: <https://www.osha.gov/nationally-recognized-testing-laboratory-program/csa>

UL 1598C — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** UL 1610

**Standard title:** Central-Station Burglar-Alarm Units

**NRTL:** CSA

**Laboratory:** CSA Group Testing and Certification Inc.

**Status:** currently recognized

> UL 1610 | Central-Station Burglar-Alarm Units |

Source: <https://www.osha.gov/nationally-recognized-testing-laboratory-program/csa>

UL 1610 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** UL 1635

**Standard title:** Digital Burglar Alarm Communicator System Units

**NRTL:** CSA

**Laboratory:** CSA Group Testing and Certification Inc.

**Status:** currently recognized

> UL 1635 | Digital Burglar Alarm Communicator System Units |

Source: <https://www.osha.gov/nationally-recognized-testing-laboratory-program/csa>

UL 1635 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** UL 1637

**Standard title:** Home Health Care Signaling Equipment

**NRTL:** CSA

**Laboratory:** CSA Group Testing and Certification Inc.

**Status:** currently recognized

> UL 1637 | Home Health Care Signaling Equipment |

Source: <https://www.osha.gov/nationally-recognized-testing-laboratory-program/csa>

UL 1637 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** UL 1638

**Standard title:** Visual Signaling Appliances

**NRTL:** CSA

**Laboratory:** CSA Group Testing and Certification Inc.

**Status:** currently recognized

> UL 1638 | Visual Signaling Appliances |

Source: <https://www.osha.gov/nationally-recognized-testing-laboratory-program/csa>

UL 1638 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** UL 1640

**Standard title:** Portable Power Distribution Units

**NRTL:** CSA

**Laboratory:** CSA Group Testing and Certification Inc.

**Status:** currently recognized

> UL 1640 | Portable Power Distribution Units |

Source: <https://www.osha.gov/nationally-recognized-testing-laboratory-program/csa>

UL 1640 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** UL 1647

**Standard title:** Motor-Operated Massage and Exercise Machines

**NRTL:** CSA

**Laboratory:** CSA Group Testing and Certification Inc.

**Status:** currently recognized

> UL 1647 | Motor-Operated Massage and Exercise Machines |

Source: <https://www.osha.gov/nationally-recognized-testing-laboratory-program/csa>

UL 1647 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** UL 1651

**Standard title:** Optical Fiber Cable

**NRTL:** CSA

**Laboratory:** CSA Group Testing and Certification Inc.

**Status:** currently recognized

> UL 1651 | Optical Fiber Cable |

Source: <https://www.osha.gov/nationally-recognized-testing-laboratory-program/csa>

UL 1651 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** UL 1653

**Standard title:** Electrical Nonmetallic Tubing

**NRTL:** CSA

**Laboratory:** CSA Group Testing and Certification Inc.

**Status:** currently recognized

> UL 1653 | Electrical Nonmetallic Tubing |

Source: <https://www.osha.gov/nationally-recognized-testing-laboratory-program/csa>

UL 1653 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** UL 1660

**Standard title:** Liquid-Tight Flexible Nonmetallic Conduit

**NRTL:** CSA

**Laboratory:** CSA Group Testing and Certification Inc.

**Status:** currently recognized

> UL 1660 | Liquid-Tight Flexible Nonmetallic Conduit |

Source: <https://www.osha.gov/nationally-recognized-testing-laboratory-program/csa>

UL 1660 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** UL 1673

**Standard title:** Electric Space Heating Cables

**NRTL:** CSA

**Laboratory:** CSA Group Testing and Certification Inc.

**Status:** currently recognized

> UL 1673 | Electric Space Heating Cables |

Source: <https://www.osha.gov/nationally-recognized-testing-laboratory-program/csa>

UL 1673 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** UL 1676

**Standard title:** Discharge Path Resistors

**NRTL:** CSA

**Laboratory:** CSA Group Testing and Certification Inc.

**Status:** currently recognized

> UL 1676 | Discharge Path Resistors |

Source: <https://www.osha.gov/nationally-recognized-testing-laboratory-program/csa>

UL 1676 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** UL 1681

**Standard title:** Wiring Device Configurations

**NRTL:** CSA

**Laboratory:** CSA Group Testing and Certification Inc.

**Status:** currently recognized

> UL 1681 | Wiring Device Configurations |

Source: <https://www.osha.gov/nationally-recognized-testing-laboratory-program/csa>

UL 1681 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** UL 1682

**Standard title:** Plugs, Receptacles, and Cable Connectors, of the Pin and Sleeve Type

**NRTL:** CSA

**Laboratory:** CSA Group Testing and Certification Inc.

**Status:** currently recognized

> UL 1682 | Plugs, Receptacles, and Cable Connectors, of the Pin and Sleeve Type |

Source: <https://www.osha.gov/nationally-recognized-testing-laboratory-program/csa>

UL 1682 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** UL 1690

**Standard title:** Data-Processing Cable

**NRTL:** CSA

**Laboratory:** CSA Group Testing and Certification Inc.

**Status:** currently recognized

> UL 1690 | Data-Processing Cable |

Source: <https://www.osha.gov/nationally-recognized-testing-laboratory-program/csa>

UL 1690 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** UL 1699

**Standard title:** Arc-Fault Circuit-Interrupters

**NRTL:** CSA

**Laboratory:** CSA Group Testing and Certification Inc.

**Status:** currently recognized

> UL 1699 | Arc-Fault Circuit-Interrupters |

Source: <https://www.osha.gov/nationally-recognized-testing-laboratory-program/csa>

UL 1699 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** UL 1703

**Standard title:** Flat Plate Photo Voltaic Modules and Panels

**NRTL:** CSA

**Laboratory:** CSA Group Testing and Certification Inc.

**Status:** currently recognized

> UL 1703 | Flat Plate Photo Voltaic Modules and Panels |

Source: <https://www.osha.gov/nationally-recognized-testing-laboratory-program/csa>

UL 1703 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** UL 1711

**Standard title:** Amplifiers for Fire Protective Signaling Systems

**NRTL:** CSA

**Laboratory:** CSA Group Testing and Certification Inc.

**Status:** currently recognized

> UL 1711 | Amplifiers for Fire Protective Signaling Systems |

Source: <https://www.osha.gov/nationally-recognized-testing-laboratory-program/csa>

UL 1711 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** UL 1727

**Standard title:** Commercial Electric Personal Grooming Appliances

**NRTL:** CSA

**Laboratory:** CSA Group Testing and Certification Inc.

**Status:** currently recognized

> UL 1727 | Commercial Electric Personal Grooming Appliances |

Source: <https://www.osha.gov/nationally-recognized-testing-laboratory-program/csa>

UL 1727 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** UL 174

**Standard title:** Household Electric Storage-Tank Water Heaters

**NRTL:** CSA

**Laboratory:** CSA Group Testing and Certification Inc.

**Status:** currently recognized

> UL 174 | Household Electric Storage-Tank Water Heaters |

Source: <https://www.osha.gov/nationally-recognized-testing-laboratory-program/csa>

UL 174 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** UL 1740

**Standard title:** Industrial Robots and Robotic Equipment

**NRTL:** CSA

**Laboratory:** CSA Group Testing and Certification Inc.

**Status:** currently recognized

> UL 1740 | Industrial Robots and Robotic Equipment |

Source: <https://www.osha.gov/nationally-recognized-testing-laboratory-program/csa>

UL 1740 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** UL 1741

**Standard title:** Inverters, Converters, Controllers and Interconnection System Equipment for Use With Distributed Energy Resources

**NRTL:** CSA

**Laboratory:** CSA Group Testing and Certification Inc.

**Status:** currently recognized

> UL 1741 | Inverters, Converters, Controllers and Interconnection System Equipment for Use With Distributed Energy Resources |

Source: <https://www.osha.gov/nationally-recognized-testing-laboratory-program/csa>

UL 1741 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** UL 1773

**Standard title:** Termination Boxes

**NRTL:** CSA

**Laboratory:** CSA Group Testing and Certification Inc.

**Status:** currently recognized

> UL 1773 | Termination Boxes |

Source: <https://www.osha.gov/nationally-recognized-testing-laboratory-program/csa>

UL 1773 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** UL 1776

**Standard title:** High-Pressure Cleaning Machines

**NRTL:** CSA

**Laboratory:** CSA Group Testing and Certification Inc.

**Status:** currently recognized

> UL 1776 | High-Pressure Cleaning Machines |

Source: <https://www.osha.gov/nationally-recognized-testing-laboratory-program/csa>

UL 1776 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** UL 1778

**Standard title:** Uninterruptible Power Supply Equipment

**NRTL:** CSA

**Laboratory:** CSA Group Testing and Certification Inc.

**Status:** currently recognized

> UL 1778 | Uninterruptible Power Supply Equipment |

Source: <https://www.osha.gov/nationally-recognized-testing-laboratory-program/csa>

UL 1778 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** UL 1786

**Standard title:** Nightlights

**NRTL:** CSA

**Laboratory:** CSA Group Testing and Certification Inc.

**Status:** currently recognized

> UL 1786 | Nightlights |

Source: <https://www.osha.gov/nationally-recognized-testing-laboratory-program/csa>

UL 1786 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** UL 1795

**Standard title:** Hydromassage Bathtubs

**NRTL:** CSA

**Laboratory:** CSA Group Testing and Certification Inc.

**Status:** currently recognized

> UL 1795 | Hydromassage Bathtubs |

Source: <https://www.osha.gov/nationally-recognized-testing-laboratory-program/csa>

UL 1795 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** UL 1812

**Standard title:** Ducted Heat Recovery Ventilators

**NRTL:** CSA

**Laboratory:** CSA Group Testing and Certification Inc.

**Status:** currently recognized

> UL 1812 | Ducted Heat Recovery Ventilators |

Source: <https://www.osha.gov/nationally-recognized-testing-laboratory-program/csa>

UL 1812 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** UL 1815

**Standard title:** Nonducted Heat Recovery Ventilators

**NRTL:** CSA

**Laboratory:** CSA Group Testing and Certification Inc.

**Status:** currently recognized

> UL 1815 | Nonducted Heat Recovery Ventilators |

Source: <https://www.osha.gov/nationally-recognized-testing-laboratory-program/csa>

UL 1815 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** UL 183

**Standard title:** Manufactures Wiring Systems

**NRTL:** CSA

**Laboratory:** CSA Group Testing and Certification Inc.

**Status:** currently recognized

> UL 183 | Manufactures Wiring Systems |

Source: <https://www.osha.gov/nationally-recognized-testing-laboratory-program/csa>

UL 183 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** UL 1838

**Standard title:** Low Voltage Landscape Lighting Systems

**NRTL:** CSA

**Laboratory:** CSA Group Testing and Certification Inc.

**Status:** currently recognized

> UL 1838 | Low Voltage Landscape Lighting Systems |

Source: <https://www.osha.gov/nationally-recognized-testing-laboratory-program/csa>

UL 1838 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** UL 1863

**Standard title:** Communication Circuit Accessories

**NRTL:** CSA

**Laboratory:** CSA Group Testing and Certification Inc.

**Status:** currently recognized

> UL 1863 | Communication Circuit Accessories |

Source: <https://www.osha.gov/nationally-recognized-testing-laboratory-program/csa>

UL 1863 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** UL 1876

**Standard title:** Isolating Signal and Feedback Transformers for Use in Electronic Equipment

**NRTL:** CSA

**Laboratory:** CSA Group Testing and Certification Inc.

**Status:** currently recognized

> UL 1876 | Isolating Signal and Feedback Transformers for Use in Electronic Equipment |

Source: <https://www.osha.gov/nationally-recognized-testing-laboratory-program/csa>

UL 1876 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** UL 1889

**Standard title:** Commercial Filters for Cooking Oil

**NRTL:** CSA

**Laboratory:** CSA Group Testing and Certification Inc.

**Status:** currently recognized

> UL 1889 | Commercial Filters for Cooking Oil |

Source: <https://www.osha.gov/nationally-recognized-testing-laboratory-program/csa>

UL 1889 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** UL 1917

**Standard title:** Solid-State Fan Speed Controls

**NRTL:** CSA

**Laboratory:** CSA Group Testing and Certification Inc.

**Status:** currently recognized

> UL 1917 | Solid-State Fan Speed Controls |

Source: <https://www.osha.gov/nationally-recognized-testing-laboratory-program/csa>

UL 1917 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** UL 1951

**Standard title:** Electric Plumbing Accessories

**NRTL:** CSA

**Laboratory:** CSA Group Testing and Certification Inc.

**Status:** currently recognized

> UL 1951 | Electric Plumbing Accessories |

Source: <https://www.osha.gov/nationally-recognized-testing-laboratory-program/csa>

UL 1951 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** UL 1963

**Standard title:** Refrigerant Recovery/Recycling Equipment

**NRTL:** CSA

**Laboratory:** CSA Group Testing and Certification Inc.

**Status:** currently recognized

> UL 1963 | Refrigerant Recovery/Recycling Equipment |

Source: <https://www.osha.gov/nationally-recognized-testing-laboratory-program/csa>

UL 1963 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** UL 197

**Standard title:** Commercial Electric Cooking Appliances

**NRTL:** CSA

**Laboratory:** CSA Group Testing and Certification Inc.

**Status:** currently recognized

> UL 197 | Commercial Electric Cooking Appliances |

Source: <https://www.osha.gov/nationally-recognized-testing-laboratory-program/csa>

UL 197 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** UL 1973

**Standard title:** Standard for Batteries for Use in Stationary, Vehicle Auxiliary Power and Light Electric Rail (LER) Applications

**NRTL:** CSA

**Laboratory:** CSA Group Testing and Certification Inc.

**Status:** currently recognized

> UL 1973 | Standard for Batteries for Use in Stationary, Vehicle Auxiliary Power and Light Electric Rail (LER) Applications |

Source: <https://www.osha.gov/nationally-recognized-testing-laboratory-program/csa>

UL 1973 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** UL 1977

**Standard title:** Component Connectors for Use in Data, Signal, Control and Power Applications

**NRTL:** CSA

**Laboratory:** CSA Group Testing and Certification Inc.

**Status:** currently recognized

> UL 1977 | Component Connectors for Use in Data, Signal, Control and Power Applications |

Source: <https://www.osha.gov/nationally-recognized-testing-laboratory-program/csa>

UL 1977 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** UL 198M

**Standard title:** Mine-Duty Fuses

**NRTL:** CSA

**Laboratory:** CSA Group Testing and Certification Inc.

**Status:** currently recognized

> UL 198M | Mine-Duty Fuses |

Source: <https://www.osha.gov/nationally-recognized-testing-laboratory-program/csa>

UL 198M — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** UL 1993

**Standard title:** Self-Ballasted Lamps and Lamp Adapters

**NRTL:** CSA

**Laboratory:** CSA Group Testing and Certification Inc.

**Status:** currently recognized

> UL 1993 | Self-Ballasted Lamps and Lamp Adapters |

Source: <https://www.osha.gov/nationally-recognized-testing-laboratory-program/csa>

UL 1993 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** UL 1994

**Standard title:** Low-Level Path Marking and Lighting Systems

**NRTL:** CSA

**Laboratory:** CSA Group Testing and Certification Inc.

**Status:** currently recognized

> UL 1994 | Low-Level Path Marking and Lighting Systems |

Source: <https://www.osha.gov/nationally-recognized-testing-laboratory-program/csa>

UL 1994 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** UL 1995

**Standard title:** Heating and Cooling Equipment

**NRTL:** CSA

**Laboratory:** CSA Group Testing and Certification Inc.

**Status:** currently recognized

> UL 1995 | Heating and Cooling Equipment |

Source: <https://www.osha.gov/nationally-recognized-testing-laboratory-program/csa>

UL 1995 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** UL 1996

**Standard title:** Duct Heaters

**NRTL:** CSA

**Laboratory:** CSA Group Testing and Certification Inc.

**Status:** currently recognized

> UL 1996 | Duct Heaters |

Source: <https://www.osha.gov/nationally-recognized-testing-laboratory-program/csa>

UL 1996 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** UL 20

**Standard title:** General-Use Snap Switches

**NRTL:** CSA

**Laboratory:** CSA Group Testing and Certification Inc.

**Status:** currently recognized

> UL 20 | General-Use Snap Switches |

Source: <https://www.osha.gov/nationally-recognized-testing-laboratory-program/csa>

UL 20 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** UL 201

**Standard title:** Garage Equipment

**NRTL:** CSA

**Laboratory:** CSA Group Testing and Certification Inc.

**Status:** currently recognized

> UL 201 | Garage Equipment |

Source: <https://www.osha.gov/nationally-recognized-testing-laboratory-program/csa>

UL 201 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** UL 2017

**Standard title:** General Purposes Signaling Devices and Systems

**NRTL:** CSA

**Laboratory:** CSA Group Testing and Certification Inc.

**Status:** currently recognized

> UL 2017 | General Purposes Signaling Devices and Systems |

Source: <https://www.osha.gov/nationally-recognized-testing-laboratory-program/csa>

UL 2017 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** UL 2021

**Standard title:** Fixed and Location-Dedicated Electric Room Heaters

**NRTL:** CSA

**Laboratory:** CSA Group Testing and Certification Inc.

**Status:** currently recognized

> UL 2021 | Fixed and Location-Dedicated Electric Room Heaters |

Source: <https://www.osha.gov/nationally-recognized-testing-laboratory-program/csa>

UL 2021 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** UL 2024

**Standard title:** Optical Fiber Cable Raceway

**NRTL:** CSA

**Laboratory:** CSA Group Testing and Certification Inc.

**Status:** currently recognized

> UL 2024 | Optical Fiber Cable Raceway |

Source: <https://www.osha.gov/nationally-recognized-testing-laboratory-program/csa>

UL 2024 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** UL 2034

**Standard title:** Single and Multiple Station Carbon Monoxide Detectors

**NRTL:** CSA

**Laboratory:** CSA Group Testing and Certification Inc.

**Status:** currently recognized

> UL 2034 | Single and Multiple Station Carbon Monoxide Detectors |

Source: <https://www.osha.gov/nationally-recognized-testing-laboratory-program/csa>

UL 2034 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** UL 2044

**Standard title:** Commercial Closed Circuit Television Equipment

**NRTL:** CSA

**Laboratory:** CSA Group Testing and Certification Inc.

**Status:** currently recognized

> UL 2044 | Commercial Closed Circuit Television Equipment |

Source: <https://www.osha.gov/nationally-recognized-testing-laboratory-program/csa>

UL 2044 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** UL 2054

**Standard title:** Standard for Household and Commercial Batteries

**NRTL:** CSA

**Laboratory:** CSA Group Testing and Certification Inc.

**Status:** currently recognized

> UL 2054 | Standard for Household and Commercial Batteries |

Source: <https://www.osha.gov/nationally-recognized-testing-laboratory-program/csa>

UL 2054 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** UL 2089

**Standard title:** Vehicle Battery Adapters

**NRTL:** CSA

**Laboratory:** CSA Group Testing and Certification Inc.

**Status:** currently recognized

> UL 2089 | Vehicle Battery Adapters |

Source: <https://www.osha.gov/nationally-recognized-testing-laboratory-program/csa>

UL 2089 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** UL 209

**Standard title:** Cellular Metal Floor Electrical Raceways and Fittings

**NRTL:** CSA

**Laboratory:** CSA Group Testing and Certification Inc.

**Status:** currently recognized

> UL 209 | Cellular Metal Floor Electrical Raceways and Fittings |

Source: <https://www.osha.gov/nationally-recognized-testing-laboratory-program/csa>

UL 209 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** UL 2097

**Standard title:** Reference Standard for Double Insulation Systems for Use in Electronic Equipment

**NRTL:** CSA

**Laboratory:** CSA Group Testing and Certification Inc.

**Status:** currently recognized

> UL 2097 | Reference Standard for Double Insulation Systems for Use in Electronic Equipment |

Source: <https://www.osha.gov/nationally-recognized-testing-laboratory-program/csa>

UL 2097 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** UL 2108

**Standard title:** Low-Voltage Lighting Systems

**NRTL:** CSA

**Laboratory:** CSA Group Testing and Certification Inc.

**Status:** currently recognized

> UL 2108 | Low-Voltage Lighting Systems |

Source: <https://www.osha.gov/nationally-recognized-testing-laboratory-program/csa>

UL 2108 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** UL 2111

**Standard title:** Overheating Protection for Motors

**NRTL:** CSA

**Laboratory:** CSA Group Testing and Certification Inc.

**Status:** currently recognized

> UL 2111 | Overheating Protection for Motors |

Source: <https://www.osha.gov/nationally-recognized-testing-laboratory-program/csa>

UL 2111 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** UL 2157

**Standard title:** Electric Clothes Washing Machines and Extractors

**NRTL:** CSA

**Laboratory:** CSA Group Testing and Certification Inc.

**Status:** currently recognized

> UL 2157 | Electric Clothes Washing Machines and Extractors |

Source: <https://www.osha.gov/nationally-recognized-testing-laboratory-program/csa>

UL 2157 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** UL 2158

**Standard title:** Electric Clothes Dryers

**NRTL:** CSA

**Laboratory:** CSA Group Testing and Certification Inc.

**Status:** currently recognized

> UL 2158 | Electric Clothes Dryers |

Source: <https://www.osha.gov/nationally-recognized-testing-laboratory-program/csa>

UL 2158 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** UL 2161

**Standard title:** Neon Transformers and Power Supplies

**NRTL:** CSA

**Laboratory:** CSA Group Testing and Certification Inc.

**Status:** currently recognized

> UL 2161 | Neon Transformers and Power Supplies |

Source: <https://www.osha.gov/nationally-recognized-testing-laboratory-program/csa>

UL 2161 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** UL 218

**Standard title:** Fire Pump Controllers

**NRTL:** CSA

**Laboratory:** CSA Group Testing and Certification Inc.

**Status:** currently recognized

> UL 218 | Fire Pump Controllers |

Source: <https://www.osha.gov/nationally-recognized-testing-laboratory-program/csa>

UL 218 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** UL 22

**Standard title:** Electric Amusement Machines

**NRTL:** CSA

**Laboratory:** CSA Group Testing and Certification Inc.

**Status:** currently recognized

> UL 22 | Electric Amusement Machines |

Source: <https://www.osha.gov/nationally-recognized-testing-laboratory-program/csa>

UL 22 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** UL 2200

**Standard title:** Stationary Engine Generator Assemblies

**NRTL:** CSA

**Laboratory:** CSA Group Testing and Certification Inc.

**Status:** currently recognized

> UL 2200 | Stationary Engine Generator Assemblies |

Source: <https://www.osha.gov/nationally-recognized-testing-laboratory-program/csa>

UL 2200 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** UL 2202

**Standard title:** Electric Vehicle (EV) Charging System Equipment

**NRTL:** CSA

**Laboratory:** CSA Group Testing and Certification Inc.

**Status:** currently recognized

> UL 2202 | Electric Vehicle (EV) Charging System Equipment |

Source: <https://www.osha.gov/nationally-recognized-testing-laboratory-program/csa>

UL 2202 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** UL 2250

**Standard title:** Instrumentation Tray Cable

**NRTL:** CSA

**Laboratory:** CSA Group Testing and Certification Inc.

**Status:** currently recognized

> UL 2250 | Instrumentation Tray Cable |

Source: <https://www.osha.gov/nationally-recognized-testing-laboratory-program/csa>

UL 2250 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** UL 2271

**Standard title:** Standard for Batteries for Use in Light Electric Vehicle (LEV) Applications

**NRTL:** CSA

**Laboratory:** CSA Group Testing and Certification Inc.

**Status:** currently recognized

> UL 2271 | Standard for Batteries for Use in Light Electric Vehicle (LEV) Applications |

Source: <https://www.osha.gov/nationally-recognized-testing-laboratory-program/csa>

UL 2271 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** UL 228

**Standard title:** Door Closers-Holders, and Integral Smoke Detectors

**NRTL:** CSA

**Laboratory:** CSA Group Testing and Certification Inc.

**Status:** currently recognized

> UL 228 | Door Closers-Holders, and Integral Smoke Detectors |

Source: <https://www.osha.gov/nationally-recognized-testing-laboratory-program/csa>

UL 228 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** UL 231

**Standard title:** Electrical Power Outlets

**NRTL:** CSA

**Laboratory:** CSA Group Testing and Certification Inc.

**Status:** currently recognized

> UL 231 | Electrical Power Outlets |

Source: <https://www.osha.gov/nationally-recognized-testing-laboratory-program/csa>

UL 231 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** UL 234

**Standard title:** Low Voltage Lighting Fixtures for Use in Recreational Vehicles

**NRTL:** CSA

**Laboratory:** CSA Group Testing and Certification Inc.

**Status:** currently recognized

> UL 234 | Low Voltage Lighting Fixtures for Use in Recreational Vehicles |

Source: <https://www.osha.gov/nationally-recognized-testing-laboratory-program/csa>

UL 234 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** UL 2420

**Standard title:** Belowground Reinforced Thermosetting Resin Conduit (RTRC) and Fittings

**NRTL:** CSA

**Laboratory:** CSA Group Testing and Certification Inc.

**Status:** currently recognized

> UL 2420 | Belowground Reinforced Thermosetting Resin Conduit (RTRC) and Fittings |

Source: <https://www.osha.gov/nationally-recognized-testing-laboratory-program/csa>

UL 2420 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** UL 248-1

**Standard title:** Low-Voltage Fuses - Part 1: General Requirements

**NRTL:** CSA

**Laboratory:** CSA Group Testing and Certification Inc.

**Status:** currently recognized

> UL 248-1 | Low-Voltage Fuses - Part 1: General Requirements |

Source: <https://www.osha.gov/nationally-recognized-testing-laboratory-program/csa>

UL 248-1 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** UL 248-10

**Standard title:** Low-Voltage Fuses - Part 10: Class L Fuses

**NRTL:** CSA

**Laboratory:** CSA Group Testing and Certification Inc.

**Status:** currently recognized

> UL 248-10 | Low-Voltage Fuses - Part 10: Class L Fuses |

Source: <https://www.osha.gov/nationally-recognized-testing-laboratory-program/csa>

UL 248-10 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** UL 248-11

**Standard title:** Low-Voltage Fuses - Part 11: Plug Fuses

**NRTL:** CSA

**Laboratory:** CSA Group Testing and Certification Inc.

**Status:** currently recognized

> UL 248-11 | Low-Voltage Fuses - Part 11: Plug Fuses |

Source: <https://www.osha.gov/nationally-recognized-testing-laboratory-program/csa>

UL 248-11 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** UL 248-12

**Standard title:** Low-Voltage Fuses - Part 12: Class R Fuses

**NRTL:** CSA

**Laboratory:** CSA Group Testing and Certification Inc.

**Status:** currently recognized

> UL 248-12 | Low-Voltage Fuses - Part 12: Class R Fuses |

Source: <https://www.osha.gov/nationally-recognized-testing-laboratory-program/csa>

UL 248-12 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** UL 248-13

**Standard title:** Low-Voltage Fuses - Part 13: Semiconductor Fuses

**NRTL:** CSA

**Laboratory:** CSA Group Testing and Certification Inc.

**Status:** currently recognized

> UL 248-13 | Low-Voltage Fuses - Part 13: Semiconductor Fuses |

Source: <https://www.osha.gov/nationally-recognized-testing-laboratory-program/csa>

UL 248-13 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** UL 248-14

**Standard title:** Low-Voltage Fuses - Part 14: Supplemental Fuses

**NRTL:** CSA

**Laboratory:** CSA Group Testing and Certification Inc.

**Status:** currently recognized

> UL 248-14 | Low-Voltage Fuses - Part 14: Supplemental Fuses |

Source: <https://www.osha.gov/nationally-recognized-testing-laboratory-program/csa>

UL 248-14 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** UL 248-15

**Standard title:** Low-Voltage Fuses - Part 15: Class T Fuses

**NRTL:** CSA

**Laboratory:** CSA Group Testing and Certification Inc.

**Status:** currently recognized

> UL 248-15 | Low-Voltage Fuses - Part 15: Class T Fuses |

Source: <https://www.osha.gov/nationally-recognized-testing-laboratory-program/csa>

UL 248-15 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** UL 248-16

**Standard title:** Low-Voltage Fuses - Part 16: Test Limiters

**NRTL:** CSA

**Laboratory:** CSA Group Testing and Certification Inc.

**Status:** currently recognized

> UL 248-16 | Low-Voltage Fuses - Part 16: Test Limiters |

Source: <https://www.osha.gov/nationally-recognized-testing-laboratory-program/csa>

UL 248-16 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** UL 248-2

**Standard title:** Low-Voltage Fuses - Part 2: Class C Fuses

**NRTL:** CSA

**Laboratory:** CSA Group Testing and Certification Inc.

**Status:** currently recognized

> UL 248-2 | Low-Voltage Fuses - Part 2: Class C Fuses |

Source: <https://www.osha.gov/nationally-recognized-testing-laboratory-program/csa>

UL 248-2 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** UL 248-3

**Standard title:** Low-Voltage Fuses - Part 3: Class CA and CB Fuses

**NRTL:** CSA

**Laboratory:** CSA Group Testing and Certification Inc.

**Status:** currently recognized

> UL 248-3 | Low-Voltage Fuses - Part 3: Class CA and CB Fuses |

Source: <https://www.osha.gov/nationally-recognized-testing-laboratory-program/csa>

UL 248-3 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** UL 248-4

**Standard title:** Low-Voltage Fuses - Part 4: Class CC Fuses

**NRTL:** CSA

**Laboratory:** CSA Group Testing and Certification Inc.

**Status:** currently recognized

> UL 248-4 | Low-Voltage Fuses - Part 4: Class CC Fuses |

Source: <https://www.osha.gov/nationally-recognized-testing-laboratory-program/csa>

UL 248-4 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** UL 248-5

**Standard title:** Low-Voltage Fuses - Part 5: Class G Fuses

**NRTL:** CSA

**Laboratory:** CSA Group Testing and Certification Inc.

**Status:** currently recognized

> UL 248-5 | Low-Voltage Fuses - Part 5: Class G Fuses |

Source: <https://www.osha.gov/nationally-recognized-testing-laboratory-program/csa>

UL 248-5 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** UL 248-6

**Standard title:** Low-Voltage Fuses - Part 6: Class H Non-Renewable Fuses

**NRTL:** CSA

**Laboratory:** CSA Group Testing and Certification Inc.

**Status:** currently recognized

> UL 248-6 | Low-Voltage Fuses - Part 6: Class H Non-Renewable Fuses |

Source: <https://www.osha.gov/nationally-recognized-testing-laboratory-program/csa>

UL 248-6 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** UL 248-7

**Standard title:** Low-Voltage Fuses - Part 7: Class H Renewable Fuses

**NRTL:** CSA

**Laboratory:** CSA Group Testing and Certification Inc.

**Status:** currently recognized

> UL 248-7 | Low-Voltage Fuses - Part 7: Class H Renewable Fuses |

Source: <https://www.osha.gov/nationally-recognized-testing-laboratory-program/csa>

UL 248-7 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** UL 248-8

**Standard title:** Low-Voltage Fuses - Part 8: Class J Fuses

**NRTL:** CSA

**Laboratory:** CSA Group Testing and Certification Inc.

**Status:** currently recognized

> UL 248-8 | Low-Voltage Fuses - Part 8: Class J Fuses |

Source: <https://www.osha.gov/nationally-recognized-testing-laboratory-program/csa>

UL 248-8 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** UL 248-9

**Standard title:** Low-Voltage Fuses - Part 9: Class K Fuses

**NRTL:** CSA

**Laboratory:** CSA Group Testing and Certification Inc.

**Status:** currently recognized

> UL 248-9 | Low-Voltage Fuses - Part 9: Class K Fuses |

Source: <https://www.osha.gov/nationally-recognized-testing-laboratory-program/csa>

UL 248-9 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** UL 252

**Standard title:** Compressed Gas Regulators

**NRTL:** CSA

**Laboratory:** CSA Group Testing and Certification Inc.

**Status:** currently recognized

> UL 252 | Compressed Gas Regulators |

Source: <https://www.osha.gov/nationally-recognized-testing-laboratory-program/csa>

UL 252 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** UL 2580

**Standard title:** Batteries for Use in Electric Vehicles

**NRTL:** CSA

**Laboratory:** CSA Group Testing and Certification Inc.

**Status:** currently recognized

> UL 2580 | Batteries for Use in Electric Vehicles |

Source: <https://www.osha.gov/nationally-recognized-testing-laboratory-program/csa>

UL 2580 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** UL 2594

**Standard title:** Standard for Electric Vehicle Supply Equipment

**NRTL:** CSA

**Laboratory:** CSA Group Testing and Certification Inc.

**Status:** currently recognized

> UL 2594 | Standard for Electric Vehicle Supply Equipment |

Source: <https://www.osha.gov/nationally-recognized-testing-laboratory-program/csa>

UL 2594 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** UL 291

**Standard title:** Automated Teller Systems

**NRTL:** CSA

**Laboratory:** CSA Group Testing and Certification Inc.

**Status:** currently recognized

> UL 291 | Automated Teller Systems |

Source: <https://www.osha.gov/nationally-recognized-testing-laboratory-program/csa>

UL 291 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** UL 294

**Standard title:** Access Control System Units

**NRTL:** CSA

**Laboratory:** CSA Group Testing and Certification Inc.

**Status:** currently recognized

> UL 294 | Access Control System Units |

Source: <https://www.osha.gov/nationally-recognized-testing-laboratory-program/csa>

UL 294 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** UL 296

**Standard title:** Oil Burners

**NRTL:** CSA

**Laboratory:** CSA Group Testing and Certification Inc.

**Status:** currently recognized

> UL 296 | Oil Burners |

Source: <https://www.osha.gov/nationally-recognized-testing-laboratory-program/csa>

UL 296 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** UL 296A

**Standard title:** Waste Oil-Burning Air-Heating Appliances

**NRTL:** CSA

**Laboratory:** CSA Group Testing and Certification Inc.

**Status:** currently recognized

> UL 296A | Waste Oil-Burning Air-Heating Appliances |

Source: <https://www.osha.gov/nationally-recognized-testing-laboratory-program/csa>

UL 296A — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** UL 307A

**Standard title:** Liquid Fuel-Burning Heating Appliances for Manufactured Homes and Recreational Vehicles

**NRTL:** CSA

**Laboratory:** CSA Group Testing and Certification Inc.

**Status:** currently recognized

> UL 307A | Liquid Fuel-Burning Heating Appliances for Manufactured Homes and Recreational Vehicles |

Source: <https://www.osha.gov/nationally-recognized-testing-laboratory-program/csa>

UL 307A — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** UL 310

**Standard title:** Electrical Quick-Connect Terminals

**NRTL:** CSA

**Laboratory:** CSA Group Testing and Certification Inc.

**Status:** currently recognized

> UL 310 | Electrical Quick-Connect Terminals |

Source: <https://www.osha.gov/nationally-recognized-testing-laboratory-program/csa>

UL 310 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** UL 325

**Standard title:** Door, Drapery, Gate, Louver and Window Operators and Systems

**NRTL:** CSA

**Laboratory:** CSA Group Testing and Certification Inc.

**Status:** currently recognized

> UL 325 | Door, Drapery, Gate, Louver and Window Operators and Systems |

Source: <https://www.osha.gov/nationally-recognized-testing-laboratory-program/csa>

UL 325 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** UL 331

**Standard title:** Strainers for Flammable Fluids and Anhydrous Ammonia

**NRTL:** CSA

**Laboratory:** CSA Group Testing and Certification Inc.

**Status:** currently recognized

> UL 331 | Strainers for Flammable Fluids and Anhydrous Ammonia |

Source: <https://www.osha.gov/nationally-recognized-testing-laboratory-program/csa>

UL 331 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** UL 347

**Standard title:** High-Voltage Industrial Control Equipment

**NRTL:** CSA

**Laboratory:** CSA Group Testing and Certification Inc.

**Status:** currently recognized

> UL 347 | High-Voltage Industrial Control Equipment |

Source: <https://www.osha.gov/nationally-recognized-testing-laboratory-program/csa>

UL 347 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** UL 347A

**Standard title:** Medium Voltage Power Conversion Equipment

**NRTL:** CSA

**Laboratory:** CSA Group Testing and Certification Inc.

**Status:** currently recognized

> UL 347A | Medium Voltage Power Conversion Equipment |

Source: <https://www.osha.gov/nationally-recognized-testing-laboratory-program/csa>

UL 347A — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** UL 353

**Standard title:** Limit Controls

**NRTL:** CSA

**Laboratory:** CSA Group Testing and Certification Inc.

**Status:** currently recognized

> UL 353 | Limit Controls |

Source: <https://www.osha.gov/nationally-recognized-testing-laboratory-program/csa>

UL 353 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** UL 355

**Standard title:** Electric Cord Reels

**NRTL:** CSA

**Laboratory:** CSA Group Testing and Certification Inc.

**Status:** currently recognized

> UL 355 | Electric Cord Reels |

Source: <https://www.osha.gov/nationally-recognized-testing-laboratory-program/csa>

UL 355 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** UL 360

**Standard title:** Liquid Tight Flexible Steel Conduit

**NRTL:** CSA

**Laboratory:** CSA Group Testing and Certification Inc.

**Status:** currently recognized

> UL 360 | Liquid Tight Flexible Steel Conduit |

Source: <https://www.osha.gov/nationally-recognized-testing-laboratory-program/csa>

UL 360 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** UL 363

**Standard title:** Knife Switches

**NRTL:** CSA

**Laboratory:** CSA Group Testing and Certification Inc.

**Status:** currently recognized

> UL 363 | Knife Switches |

Source: <https://www.osha.gov/nationally-recognized-testing-laboratory-program/csa>

UL 363 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** UL 365

**Standard title:** Police Station Connected Burglar Alarm Units and Systems

**NRTL:** CSA

**Laboratory:** CSA Group Testing and Certification Inc.

**Status:** currently recognized

> UL 365 | Police Station Connected Burglar Alarm Units and Systems |

Source: <https://www.osha.gov/nationally-recognized-testing-laboratory-program/csa>

UL 365 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** UL 372

**Standard title:** Primary Safety Controls for Gas - and Oil-Fired Appliances

**NRTL:** CSA

**Laboratory:** CSA Group Testing and Certification Inc.

**Status:** currently recognized

> UL 372 | Primary Safety Controls for Gas - and Oil-Fired Appliances |

Source: <https://www.osha.gov/nationally-recognized-testing-laboratory-program/csa>

UL 372 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** UL 378

**Standard title:** Draft Equipment

**NRTL:** CSA

**Laboratory:** CSA Group Testing and Certification Inc.

**Status:** currently recognized

> UL 378 | Draft Equipment |

Source: <https://www.osha.gov/nationally-recognized-testing-laboratory-program/csa>

UL 378 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** UL 391

**Standard title:** Solid-Fuel and Combination-Fuel Control and Supplementary Furnaces

**NRTL:** CSA

**Laboratory:** CSA Group Testing and Certification Inc.

**Status:** currently recognized

> UL 391 | Solid-Fuel and Combination-Fuel Control and Supplementary Furnaces |

Source: <https://www.osha.gov/nationally-recognized-testing-laboratory-program/csa>

UL 391 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** UL 399

**Standard title:** Drinking-Water Coolers

**NRTL:** CSA

**Laboratory:** CSA Group Testing and Certification Inc.

**Status:** currently recognized

> UL 399 | Drinking-Water Coolers |

Source: <https://www.osha.gov/nationally-recognized-testing-laboratory-program/csa>

UL 399 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** UL 4

**Standard title:** Armored Cable

**NRTL:** CSA

**Laboratory:** CSA Group Testing and Certification Inc.

**Status:** currently recognized

> UL 4 | Armored Cable |

Source: <https://www.osha.gov/nationally-recognized-testing-laboratory-program/csa>

UL 4 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** UL 412

**Standard title:** Refrigeration Unit Coolers

**NRTL:** CSA

**Laboratory:** CSA Group Testing and Certification Inc.

**Status:** currently recognized

> UL 412 | Refrigeration Unit Coolers |

Source: <https://www.osha.gov/nationally-recognized-testing-laboratory-program/csa>

UL 412 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** UL 414

**Standard title:** Electrical Meter Sockets

**NRTL:** CSA

**Laboratory:** CSA Group Testing and Certification Inc.

**Status:** currently recognized

> UL 414 | Electrical Meter Sockets |

Source: <https://www.osha.gov/nationally-recognized-testing-laboratory-program/csa>

UL 414 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** UL 416

**Standard title:** Refrigerated Medical Equipment

**NRTL:** CSA

**Laboratory:** CSA Group Testing and Certification Inc.

**Status:** currently recognized

> UL 416 | Refrigerated Medical Equipment |

Source: <https://www.osha.gov/nationally-recognized-testing-laboratory-program/csa>

UL 416 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** UL 4248-1

**Standard title:** Fuseholders - Part 1: General Requirements

**NRTL:** CSA

**Laboratory:** CSA Group Testing and Certification Inc.

**Status:** currently recognized

> UL 4248-1 | Fuseholders - Part 1: General Requirements |

Source: <https://www.osha.gov/nationally-recognized-testing-laboratory-program/csa>

UL 4248-1 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** UL 4248-11

**Standard title:** Fuseholders - Part 11: Type C (Edison Base) and Type S Plug Fuse

**NRTL:** CSA

**Laboratory:** CSA Group Testing and Certification Inc.

**Status:** currently recognized

> UL 4248-11 | Fuseholders - Part 11: Type C (Edison Base) and Type S Plug Fuse |

Source: <https://www.osha.gov/nationally-recognized-testing-laboratory-program/csa>

UL 4248-11 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** UL 4248-12

**Standard title:** Fuseholders - Part 12: Class R

**NRTL:** CSA

**Laboratory:** CSA Group Testing and Certification Inc.

**Status:** currently recognized

> UL 4248-12 | Fuseholders - Part 12: Class R |

Source: <https://www.osha.gov/nationally-recognized-testing-laboratory-program/csa>

UL 4248-12 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** UL 4248-15

**Standard title:** Fuseholders - Part 15: Class T

**NRTL:** CSA

**Laboratory:** CSA Group Testing and Certification Inc.

**Status:** currently recognized

> UL 4248-15 | Fuseholders - Part 15: Class T |

Source: <https://www.osha.gov/nationally-recognized-testing-laboratory-program/csa>

UL 4248-15 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** UL 4248-4

**Standard title:** Fuseholders - Part 4: Class CC

**NRTL:** CSA

**Laboratory:** CSA Group Testing and Certification Inc.

**Status:** currently recognized

> UL 4248-4 | Fuseholders - Part 4: Class CC |

Source: <https://www.osha.gov/nationally-recognized-testing-laboratory-program/csa>

UL 4248-4 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** UL 4248-5

**Standard title:** Fuseholders - Part 5: Class G

**NRTL:** CSA

**Laboratory:** CSA Group Testing and Certification Inc.

**Status:** currently recognized

> UL 4248-5 | Fuseholders - Part 5: Class G |

Source: <https://www.osha.gov/nationally-recognized-testing-laboratory-program/csa>

UL 4248-5 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** UL 4248-6

**Standard title:** Fuseholders - Part 6: Class 6

**NRTL:** CSA

**Laboratory:** CSA Group Testing and Certification Inc.

**Status:** currently recognized

> UL 4248-6 | Fuseholders - Part 6: Class 6 |

Source: <https://www.osha.gov/nationally-recognized-testing-laboratory-program/csa>

UL 4248-6 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** UL 4248-8

**Standard title:** Fuseholders - Part 8: Class J

**NRTL:** CSA

**Laboratory:** CSA Group Testing and Certification Inc.

**Status:** currently recognized

> UL 4248-8 | Fuseholders - Part 8: Class J |

Source: <https://www.osha.gov/nationally-recognized-testing-laboratory-program/csa>

UL 4248-8 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** UL 4248-9

**Standard title:** Fuseholders - Part 9: Class K

**NRTL:** CSA

**Laboratory:** CSA Group Testing and Certification Inc.

**Status:** currently recognized

> UL 4248-9 | Fuseholders - Part 9: Class K |

Source: <https://www.osha.gov/nationally-recognized-testing-laboratory-program/csa>

UL 4248-9 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** UL 427

**Standard title:** Refrigerating Units

**NRTL:** CSA

**Laboratory:** CSA Group Testing and Certification Inc.

**Status:** currently recognized

> UL 427 | Refrigerating Units |

Source: <https://www.osha.gov/nationally-recognized-testing-laboratory-program/csa>

UL 427 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** UL 429

**Standard title:** Electrically Operated Valves

**NRTL:** CSA

**Laboratory:** CSA Group Testing and Certification Inc.

**Status:** currently recognized

> UL 429 | Electrically Operated Valves |

Source: <https://www.osha.gov/nationally-recognized-testing-laboratory-program/csa>

UL 429 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** UL 430

**Standard title:** Electric Waste Disposers

**NRTL:** CSA

**Laboratory:** CSA Group Testing and Certification Inc.

**Status:** currently recognized

> UL 430 | Electric Waste Disposers |

Source: <https://www.osha.gov/nationally-recognized-testing-laboratory-program/csa>

UL 430 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** UL 44

**Standard title:** Rubber-Insulated Wires and Cables

**NRTL:** CSA

**Laboratory:** CSA Group Testing and Certification Inc.

**Status:** currently recognized

> UL 44 | Rubber-Insulated Wires and Cables |

Source: <https://www.osha.gov/nationally-recognized-testing-laboratory-program/csa>

UL 44 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** UL 441

**Standard title:** Gas Vents

**NRTL:** CSA

**Laboratory:** CSA Group Testing and Certification Inc.

**Status:** currently recognized

> UL 441 | Gas Vents |

Source: <https://www.osha.gov/nationally-recognized-testing-laboratory-program/csa>

UL 441 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** UL 444

**Standard title:** Communications Cables

**NRTL:** CSA

**Laboratory:** CSA Group Testing and Certification Inc.

**Status:** currently recognized

> UL 444 | Communications Cables |

Source: <https://www.osha.gov/nationally-recognized-testing-laboratory-program/csa>

UL 444 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** UL 448

**Standard title:** Pumps for Fire Protection Service

**NRTL:** CSA

**Laboratory:** CSA Group Testing and Certification Inc.

**Status:** currently recognized

> UL 448 | Pumps for Fire Protection Service |

Source: <https://www.osha.gov/nationally-recognized-testing-laboratory-program/csa>

UL 448 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** UL 452

**Standard title:** Antenna Discharge Units

**NRTL:** CSA

**Laboratory:** CSA Group Testing and Certification Inc.

**Status:** currently recognized

> UL 452 | Antenna Discharge Units |

Source: <https://www.osha.gov/nationally-recognized-testing-laboratory-program/csa>

UL 452 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** UL 464

**Standard title:** Audible Signal Appliances

**NRTL:** CSA

**Laboratory:** CSA Group Testing and Certification Inc.

**Status:** currently recognized

> UL 464 | Audible Signal Appliances |

Source: <https://www.osha.gov/nationally-recognized-testing-laboratory-program/csa>

UL 464 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** UL 466

**Standard title:** Electric Scales

**NRTL:** CSA

**Laboratory:** CSA Group Testing and Certification Inc.

**Status:** currently recognized

> UL 466 | Electric Scales |

Source: <https://www.osha.gov/nationally-recognized-testing-laboratory-program/csa>

UL 466 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** UL 467

**Standard title:** Electrical Grounding and Bonding Equipment

**NRTL:** CSA

**Laboratory:** CSA Group Testing and Certification Inc.

**Status:** currently recognized

> UL 467 | Electrical Grounding and Bonding Equipment |

Source: <https://www.osha.gov/nationally-recognized-testing-laboratory-program/csa>

UL 467 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** UL 469

**Standard title:** Musical Instruments and Accessories

**NRTL:** CSA

**Laboratory:** CSA Group Testing and Certification Inc.

**Status:** currently recognized

> UL 469 | Musical Instruments and Accessories |

Source: <https://www.osha.gov/nationally-recognized-testing-laboratory-program/csa>

UL 469 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** UL 4703

**Standard title:** Standard for Photovoltaic Wire

**NRTL:** CSA

**Laboratory:** CSA Group Testing and Certification Inc.

**Status:** currently recognized

> UL 4703 | Standard for Photovoltaic Wire |

Source: <https://www.osha.gov/nationally-recognized-testing-laboratory-program/csa>

UL 4703 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** UL 471

**Standard title:** Commercial Refrigerators and Freezers

**NRTL:** CSA

**Laboratory:** CSA Group Testing and Certification Inc.

**Status:** currently recognized

> UL 471 | Commercial Refrigerators and Freezers |

Source: <https://www.osha.gov/nationally-recognized-testing-laboratory-program/csa>

UL 471 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** UL 48

**Standard title:** Electric Signs

**NRTL:** CSA

**Laboratory:** CSA Group Testing and Certification Inc.

**Status:** currently recognized

> UL 48 | Electric Signs |

Source: <https://www.osha.gov/nationally-recognized-testing-laboratory-program/csa>

UL 48 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** UL 482

**Standard title:** Portable Sun/Heat Lamps

**NRTL:** CSA

**Laboratory:** CSA Group Testing and Certification Inc.

**Status:** currently recognized

> UL 482 | Portable Sun/Heat Lamps |

Source: <https://www.osha.gov/nationally-recognized-testing-laboratory-program/csa>

UL 482 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** UL 484

**Standard title:** Room Air Conditioners

**NRTL:** CSA

**Laboratory:** CSA Group Testing and Certification Inc.

**Status:** currently recognized

> UL 484 | Room Air Conditioners |

Source: <https://www.osha.gov/nationally-recognized-testing-laboratory-program/csa>

UL 484 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** UL 486A-486B

**Standard title:** Wire Connectors

**NRTL:** CSA

**Laboratory:** CSA Group Testing and Certification Inc.

**Status:** currently recognized

> UL 486A-486B | Wire Connectors |

Source: <https://www.osha.gov/nationally-recognized-testing-laboratory-program/csa>

UL 486A-486B — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** UL 486C

**Standard title:** Splicing Wire Connectors

**NRTL:** CSA

**Laboratory:** CSA Group Testing and Certification Inc.

**Status:** currently recognized

> UL 486C | Splicing Wire Connectors |

Source: <https://www.osha.gov/nationally-recognized-testing-laboratory-program/csa>

UL 486C — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** UL 486D

**Standard title:** Insulated Wire Connectors for Use With Underground Conductors

**NRTL:** CSA

**Laboratory:** CSA Group Testing and Certification Inc.

**Status:** currently recognized

> UL 486D | Insulated Wire Connectors for Use With Underground Conductors |

Source: <https://www.osha.gov/nationally-recognized-testing-laboratory-program/csa>

UL 486D — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** UL 486E

**Standard title:** Equipment Wiring Terminals for Use With Aluminum and/or Copper Conductors

**NRTL:** CSA

**Laboratory:** CSA Group Testing and Certification Inc.

**Status:** currently recognized

> UL 486E | Equipment Wiring Terminals for Use With Aluminum and/or Copper Conductors |

Source: <https://www.osha.gov/nationally-recognized-testing-laboratory-program/csa>

UL 486E — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** UL 489

**Standard title:** Molded-Case Circuit Breakers and Circuit-Breaker Enclosures

**NRTL:** CSA

**Laboratory:** CSA Group Testing and Certification Inc.

**Status:** currently recognized

> UL 489 | Molded-Case Circuit Breakers and Circuit-Breaker Enclosures |

Source: <https://www.osha.gov/nationally-recognized-testing-laboratory-program/csa>

UL 489 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** UL 489A

**Standard title:** Standard for Circuit Breakers for Use in Communications Equipment

**NRTL:** CSA

**Laboratory:** CSA Group Testing and Certification Inc.

**Status:** currently recognized

> UL 489A | Standard for Circuit Breakers for Use in Communications Equipment |

Source: <https://www.osha.gov/nationally-recognized-testing-laboratory-program/csa>

UL 489A — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** UL 493

**Standard title:** Thermoplastic-Insulated Underground Feeder and Branch-Circuit Cables

**NRTL:** CSA

**Laboratory:** CSA Group Testing and Certification Inc.

**Status:** currently recognized

> UL 493 | Thermoplastic-Insulated Underground Feeder and Branch-Circuit Cables |

Source: <https://www.osha.gov/nationally-recognized-testing-laboratory-program/csa>

UL 493 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** UL 495

**Standard title:** Power-Operated Dispensing Devices for LP-Gas

**NRTL:** CSA

**Laboratory:** CSA Group Testing and Certification Inc.

**Status:** currently recognized

> UL 495 | Power-Operated Dispensing Devices for LP-Gas |

Source: <https://www.osha.gov/nationally-recognized-testing-laboratory-program/csa>

UL 495 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** UL 496

**Standard title:** Edison-Base Lampholders

**NRTL:** CSA

**Laboratory:** CSA Group Testing and Certification Inc.

**Status:** currently recognized

> UL 496 | Edison-Base Lampholders |

Source: <https://www.osha.gov/nationally-recognized-testing-laboratory-program/csa>

UL 496 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** UL 497

**Standard title:** Protectors for Communication Circuits

**NRTL:** CSA

**Laboratory:** CSA Group Testing and Certification Inc.

**Status:** currently recognized

> UL 497 | Protectors for Communication Circuits |

Source: <https://www.osha.gov/nationally-recognized-testing-laboratory-program/csa>

UL 497 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** UL 497A

**Standard title:** Secondary Protectors for Communication Circuits

**NRTL:** CSA

**Laboratory:** CSA Group Testing and Certification Inc.

**Status:** currently recognized

> UL 497A | Secondary Protectors for Communication Circuits |

Source: <https://www.osha.gov/nationally-recognized-testing-laboratory-program/csa>

UL 497A — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** UL 497B

**Standard title:** Protectors for Data Communication and Fire Alarm Circuits

**NRTL:** CSA

**Laboratory:** CSA Group Testing and Certification Inc.

**Status:** currently recognized

> UL 497B | Protectors for Data Communication and Fire Alarm Circuits |

Source: <https://www.osha.gov/nationally-recognized-testing-laboratory-program/csa>

UL 497B — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** UL 497C

**Standard title:** Protectors for Coaxial Communications Circuits

**NRTL:** CSA

**Laboratory:** CSA Group Testing and Certification Inc.

**Status:** currently recognized

> UL 497C | Protectors for Coaxial Communications Circuits |

Source: <https://www.osha.gov/nationally-recognized-testing-laboratory-program/csa>

UL 497C — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** UL 498

**Standard title:** Attachment Plugs and Receptacles

**NRTL:** CSA

**Laboratory:** CSA Group Testing and Certification Inc.

**Status:** currently recognized

> UL 498 | Attachment Plugs and Receptacles |

Source: <https://www.osha.gov/nationally-recognized-testing-laboratory-program/csa>

UL 498 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** UL 498A

**Standard title:** Current Taps and Adapters

**NRTL:** CSA

**Laboratory:** CSA Group Testing and Certification Inc.

**Status:** currently recognized

> UL 498A | Current Taps and Adapters |

Source: <https://www.osha.gov/nationally-recognized-testing-laboratory-program/csa>

UL 498A — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** UL 499

**Standard title:** Electric Heating Appliances

**NRTL:** CSA

**Laboratory:** CSA Group Testing and Certification Inc.

**Status:** currently recognized

> UL 499 | Electric Heating Appliances |

Source: <https://www.osha.gov/nationally-recognized-testing-laboratory-program/csa>

UL 499 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** UL 5

**Standard title:** Surface Metal Raceways and Fittings

**NRTL:** CSA

**Laboratory:** CSA Group Testing and Certification Inc.

**Status:** currently recognized

> UL 5 | Surface Metal Raceways and Fittings |

Source: <https://www.osha.gov/nationally-recognized-testing-laboratory-program/csa>

UL 5 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** UL 50

**Standard title:** Electrical Cabinets and Boxes

**NRTL:** CSA

**Laboratory:** CSA Group Testing and Certification Inc.

**Status:** currently recognized

> UL 50 | Electrical Cabinets and Boxes |

Source: <https://www.osha.gov/nationally-recognized-testing-laboratory-program/csa>

UL 50 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** UL 506

**Standard title:** Specialty Transformers

**NRTL:** CSA

**Laboratory:** CSA Group Testing and Certification Inc.

**Status:** currently recognized

> UL 506 | Specialty Transformers |

Source: <https://www.osha.gov/nationally-recognized-testing-laboratory-program/csa>

UL 506 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** UL 507

**Standard title:** Electric Fans

**NRTL:** CSA

**Laboratory:** CSA Group Testing and Certification Inc.

**Status:** currently recognized

> UL 507 | Electric Fans |

Source: <https://www.osha.gov/nationally-recognized-testing-laboratory-program/csa>

UL 507 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** UL 508

**Standard title:** Electric Industrial Control Equipment

**NRTL:** CSA

**Laboratory:** CSA Group Testing and Certification Inc.

**Status:** currently recognized

> UL 508 | Electric Industrial Control Equipment |

Source: <https://www.osha.gov/nationally-recognized-testing-laboratory-program/csa>

UL 508 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** UL 5085-1

**Standard title:** Low Voltage Transformers - Part 1: General Requirements

**NRTL:** CSA

**Laboratory:** CSA Group Testing and Certification Inc.

**Status:** currently recognized

> UL 5085-1 | Low Voltage Transformers - Part 1: General Requirements |

Source: <https://www.osha.gov/nationally-recognized-testing-laboratory-program/csa>

UL 5085-1 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** UL 5085-2

**Standard title:** Low Voltage Transformers - Part 2: General Purpose Transformers

**NRTL:** CSA

**Laboratory:** CSA Group Testing and Certification Inc.

**Status:** currently recognized

> UL 5085-2 | Low Voltage Transformers - Part 2: General Purpose Transformers |

Source: <https://www.osha.gov/nationally-recognized-testing-laboratory-program/csa>

UL 5085-2 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** UL 5085-3

**Standard title:** Low Voltage Transformers - Part 3: Class 2 and Class 3 Transformers

**NRTL:** CSA

**Laboratory:** CSA Group Testing and Certification Inc.

**Status:** currently recognized

> UL 5085-3 | Low Voltage Transformers - Part 3: Class 2 and Class 3 Transformers |

Source: <https://www.osha.gov/nationally-recognized-testing-laboratory-program/csa>

UL 5085-3 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** UL 508A

**Standard title:** Standard for Industrial Control Panels

**NRTL:** CSA

**Laboratory:** CSA Group Testing and Certification Inc.

**Status:** currently recognized

> UL 508A | Standard for Industrial Control Panels |

Source: <https://www.osha.gov/nationally-recognized-testing-laboratory-program/csa>

UL 508A — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** UL 51

**Standard title:** Power-Operated Pumps for Anhydrous Ammonia and LP-Gas

**NRTL:** CSA

**Laboratory:** CSA Group Testing and Certification Inc.

**Status:** currently recognized

> UL 51 | Power-Operated Pumps for Anhydrous Ammonia and LP-Gas |

Source: <https://www.osha.gov/nationally-recognized-testing-laboratory-program/csa>

UL 51 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** UL 510

**Standard title:** Insulating Tape

**NRTL:** CSA

**Laboratory:** CSA Group Testing and Certification Inc.

**Status:** currently recognized

> UL 510 | Insulating Tape |

Source: <https://www.osha.gov/nationally-recognized-testing-laboratory-program/csa>

UL 510 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** UL 514A

**Standard title:** Metallic Outlet Boxes, Electrical

**NRTL:** CSA

**Laboratory:** CSA Group Testing and Certification Inc.

**Status:** currently recognized

> UL 514A | Metallic Outlet Boxes, Electrical |

Source: <https://www.osha.gov/nationally-recognized-testing-laboratory-program/csa>

UL 514A — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** UL 514B

**Standard title:** Fittings for Conduit and Outlet Boxes

**NRTL:** CSA

**Laboratory:** CSA Group Testing and Certification Inc.

**Status:** currently recognized

> UL 514B | Fittings for Conduit and Outlet Boxes |

Source: <https://www.osha.gov/nationally-recognized-testing-laboratory-program/csa>

UL 514B — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** UL 514C

**Standard title:** Nonmetallic Outlet Boxes, Flush-Device Boxes and Covers

**NRTL:** CSA

**Laboratory:** CSA Group Testing and Certification Inc.

**Status:** currently recognized

> UL 514C | Nonmetallic Outlet Boxes, Flush-Device Boxes and Covers |

Source: <https://www.osha.gov/nationally-recognized-testing-laboratory-program/csa>

UL 514C — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** UL 515

**Standard title:** Electrical Resistance Heat Tracing for Commercial and Industrial Applications

**NRTL:** CSA

**Laboratory:** CSA Group Testing and Certification Inc.

**Status:** currently recognized

> UL 515 | Electrical Resistance Heat Tracing for Commercial and Industrial Applications |

Source: <https://www.osha.gov/nationally-recognized-testing-laboratory-program/csa>

UL 515 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** UL 536

**Standard title:** Flexible Metallic Hose

**NRTL:** CSA

**Laboratory:** CSA Group Testing and Certification Inc.

**Status:** currently recognized

> UL 536 | Flexible Metallic Hose |

Source: <https://www.osha.gov/nationally-recognized-testing-laboratory-program/csa>

UL 536 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** UL 541

**Standard title:** Refrigerated Vending Machines

**NRTL:** CSA

**Laboratory:** CSA Group Testing and Certification Inc.

**Status:** currently recognized

> UL 541 | Refrigerated Vending Machines |

Source: <https://www.osha.gov/nationally-recognized-testing-laboratory-program/csa>

UL 541 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** UL 542

**Standard title:** Lampholders, Starters, and Starter Holders for Fluorescent Lamps

**NRTL:** CSA

**Laboratory:** CSA Group Testing and Certification Inc.

**Status:** currently recognized

> UL 542 | Lampholders, Starters, and Starter Holders for Fluorescent Lamps |

Source: <https://www.osha.gov/nationally-recognized-testing-laboratory-program/csa>

UL 542 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** UL 551

**Standard title:** Transformer-Type Arc-Welding Machines

**NRTL:** CSA

**Laboratory:** CSA Group Testing and Certification Inc.

**Status:** currently recognized

> UL 551 | Transformer-Type Arc-Welding Machines |

Source: <https://www.osha.gov/nationally-recognized-testing-laboratory-program/csa>

UL 551 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** UL 561

**Standard title:** Floor Finishing Machines

**NRTL:** CSA

**Laboratory:** CSA Group Testing and Certification Inc.

**Status:** currently recognized

> UL 561 | Floor Finishing Machines |

Source: <https://www.osha.gov/nationally-recognized-testing-laboratory-program/csa>

UL 561 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** UL 563

**Standard title:** Ice Makers

**NRTL:** CSA

**Laboratory:** CSA Group Testing and Certification Inc.

**Status:** currently recognized

> UL 563 | Ice Makers |

Source: <https://www.osha.gov/nationally-recognized-testing-laboratory-program/csa>

UL 563 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** UL 567

**Standard title:** Pipe Connectors for Flammable and Combustible Liquids and LP-Gas

**NRTL:** CSA

**Laboratory:** CSA Group Testing and Certification Inc.

**Status:** currently recognized

> UL 567 | Pipe Connectors for Flammable and Combustible Liquids and LP-Gas |

Source: <https://www.osha.gov/nationally-recognized-testing-laboratory-program/csa>

UL 567 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** UL 569

**Standard title:** Pigtails and Flexible Hoses

**NRTL:** CSA

**Laboratory:** CSA Group Testing and Certification Inc.

**Status:** currently recognized

> UL 569 | Pigtails and Flexible Hoses |

Source: <https://www.osha.gov/nationally-recognized-testing-laboratory-program/csa>

UL 569 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** UL 574

**Standard title:** Electric Oil Heater

**NRTL:** CSA

**Laboratory:** CSA Group Testing and Certification Inc.

**Status:** currently recognized

> UL 574 | Electric Oil Heater |

Source: <https://www.osha.gov/nationally-recognized-testing-laboratory-program/csa>

UL 574 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** UL 588

**Standard title:** Christmas-Tree and Decorative-Lighting Outfits

**NRTL:** CSA

**Laboratory:** CSA Group Testing and Certification Inc.

**Status:** currently recognized

> UL 588 | Christmas-Tree and Decorative-Lighting Outfits |

Source: <https://www.osha.gov/nationally-recognized-testing-laboratory-program/csa>

UL 588 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** UL 5A

**Standard title:** Nonmetallic Surface Raceways and Fittings

**NRTL:** CSA

**Laboratory:** CSA Group Testing and Certification Inc.

**Status:** currently recognized

> UL 5A | Nonmetallic Surface Raceways and Fittings |

Source: <https://www.osha.gov/nationally-recognized-testing-laboratory-program/csa>

UL 5A — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** UL 5B

**Standard title:** Strut-Type Channel Raceways and Fittings

**NRTL:** CSA

**Laboratory:** CSA Group Testing and Certification Inc.

**Status:** currently recognized

> UL 5B | Strut-Type Channel Raceways and Fittings |

Source: <https://www.osha.gov/nationally-recognized-testing-laboratory-program/csa>

UL 5B — Which OSHA-recognized labs (NRTLs) can certify to a given test standard