**Test standard:** FM 3600

**Standard title:** Electrical Equipment for Use in Hazardous (Classified) Locations, General Requirements

**Status:** listed as appropriate

> FM 3600 | Electrical Equipment for Use in Hazardous (Classified) Locations, General Requirements |

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

FM 3600 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** FM 3610

**Standard title:** Examination Standard for Intrinsically Safe Apparatus and Associated Apparatus for Use in Class I, II and III, Division 1, Hazardous (Classified) Locations

**Status:** listed as appropriate

> FM 3610 | Examination Standard for Intrinsically Safe Apparatus and Associated Apparatus for Use in Class I, II and III, Division 1, Hazardous (Classified) Locations |

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

FM 3610 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** FM 3611

**Standard title:** Electrical Equipment for Use in Class I, Division 2; Class II, Division 2; and Class III, Division 1 and 2 Hazardous Locations

**Status:** listed as appropriate

> FM 3611 | Electrical Equipment for Use in Class I, Division 2; Class II, Division 2; and Class III, Division 1 and 2 Hazardous Locations |

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

FM 3611 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** FM 3615

**Standard title:** Examination Standard for Explosionproof Electrical Equipment – General Requirements

**Status:** listed as appropriate

> FM 3615 | Examination Standard for Explosionproof Electrical Equipment – General Requirements |

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

FM 3615 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** FM 3620

**Standard title:** Purged and Pressurized Electrical Equipment for Hazardous (Classified) Locations

**Status:** listed as appropriate

> FM 3620 | Purged and Pressurized Electrical Equipment for Hazardous (Classified) Locations |

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

FM 3620 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** FM 3810

**Standard title:** Examination Standard for Electrical Equipment for Measurement, Control and Laboratory Use

**Status:** listed as appropriate

> FM 3810 | Examination Standard for Electrical Equipment for Measurement, Control and Laboratory Use |

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

FM 3810 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** FM 3990

**Standard title:** Less or nonflammable Liquid-Insulated Transformers

**Status:** listed as appropriate

> FM 3990 | Less or nonflammable Liquid-Insulated Transformers |

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

FM 3990 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** FM 5130

**Standard title:** Foam Extinguishing Systems

**Status:** listed as appropriate

> FM 5130 | Foam Extinguishing Systems |

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

FM 5130 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** FM 5320

**Standard title:** Dry Chemical Extinguishing Systems

**Status:** listed as appropriate

> FM 5320 | Dry Chemical Extinguishing Systems |

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

FM 5320 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** FM 5420

**Standard title:** Carbon Dioxide Extinguishing Systems

**Status:** listed as appropriate

> FM 5420 | Carbon Dioxide Extinguishing Systems |

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

FM 5420 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** FM 5600

**Standard title:** Clean Agent Extinguishing Systems

**Status:** listed as appropriate

> FM 5600 | Clean Agent Extinguishing Systems |

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

FM 5600 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** FM 6051

**Standard title:** Safety Containers and Filing, Supply and Disposal Containers

**Status:** listed as appropriate

> FM 6051 | Safety Containers and Filing, Supply and Disposal Containers |

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

FM 6051 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** FM 6310

**Standard title:** Combustible Gas Detectors

**Status:** listed as appropriate

> FM 6310 | Combustible Gas Detectors |

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

FM 6310 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** FM 7260

**Standard title:** Electrostatic Finishing Equipment

**Status:** listed as appropriate

> FM 7260 | Electrostatic Finishing Equipment |

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

FM 7260 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** ANSI FM 3265

**Standard title:** Spark Detection and Extinguishing Systems

**NRTL:** FM

**Laboratory:** FM Approvals

**Status:** currently recognized

> ANSI FM 3265 | Spark Detection and Extinguishing Systems |

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

ANSI FM 3265 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** ANSI Z8.1

**Standard title:** Commercial Laundry and Drycleaning Equipment and Operations - Safety Requirements

**NRTL:** FM

**Laboratory:** FM Approvals

**Status:** currently recognized

> ANSI Z8.1 | Commercial Laundry and Drycleaning Equipment and Operations - Safety Requirements |

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

ANSI Z8.1 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** FM 1035

**Standard title:** Nitrogen Generators

**NRTL:** FM

**Laboratory:** FM Approvals

**Status:** currently recognized

> FM 1035 | Nitrogen Generators |

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

FM 1035 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** FM 1110

**Standard title:** Indicator Posts

**NRTL:** FM

**Laboratory:** FM Approvals

**Status:** currently recognized

> FM 1110 | Indicator Posts |

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

FM 1110 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** FM 1221

**Standard title:** Backflow Preventers

**NRTL:** FM

**Laboratory:** FM Approvals

**Status:** currently recognized

> FM 1221 | Backflow Preventers |

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

FM 1221 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** FM 1311

**Standard title:** Centrifugal Fire Pumps Split-Case Type (Axial or Radial)

**NRTL:** FM

**Laboratory:** FM Approvals

**Status:** currently recognized

> FM 1311 | Centrifugal Fire Pumps Split-Case Type (Axial or Radial) |

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

FM 1311 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** FM 1312

**Standard title:** Centrifugal Fire Pumps (Vertical Shaft, Turbine Type)

**NRTL:** FM

**Laboratory:** FM Approvals

**Status:** currently recognized

> FM 1312 | Centrifugal Fire Pumps (Vertical Shaft, Turbine Type) |

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

FM 1312 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** FM 1313

**Standard title:** Positive Displacement Fire Pumps (Rotary Gear Type)

**NRTL:** FM

**Laboratory:** FM Approvals

**Status:** currently recognized

> FM 1313 | Positive Displacement Fire Pumps (Rotary Gear Type) |

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

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


**Test standard:** FM 1319

**Standard title:** Centrifugal Fire Pumps (Horizontal, End Suction Type)

**NRTL:** FM

**Laboratory:** FM Approvals

**Status:** currently recognized

> FM 1319 | Centrifugal Fire Pumps (Horizontal, End Suction Type) |

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

FM 1319 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** FM 1321

**Standard title:** Controllers for Electric Motor Driven Fire Pumps

**NRTL:** FM

**Laboratory:** FM Approvals

**Status:** currently recognized

> FM 1321 | Controllers for Electric Motor Driven Fire Pumps |

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

FM 1321 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** FM 1333

**Standard title:** Diesel Engine Fire Pump Drivers

**NRTL:** FM

**Laboratory:** FM Approvals

**Status:** currently recognized

> FM 1333 | Diesel Engine Fire Pump Drivers |

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

FM 1333 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** FM 1370

**Standard title:** Centrifugal Fire Pumps (Vertical Shaft, Turbine Type, Barrel)

**NRTL:** FM

**Laboratory:** FM Approvals

**Status:** currently recognized

> FM 1370 | Centrifugal Fire Pumps (Vertical Shaft, Turbine Type, Barrel) |

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

FM 1370 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** FM 1371

**Standard title:** Centrifugal Fire Pumps (In-Line Type)

**NRTL:** FM

**Laboratory:** FM Approvals

**Status:** currently recognized

> FM 1371 | Centrifugal Fire Pumps (In-Line Type) |

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

FM 1371 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** FM 1635

**Standard title:** Plastic Pipe and Fittings for Automatic Sprinkler Systems

**NRTL:** FM

**Laboratory:** FM Approvals

**Status:** currently recognized

> FM 1635 | Plastic Pipe and Fittings for Automatic Sprinkler Systems |

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

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


**Test standard:** FM 2000

**Standard title:** Automatic Sprinklers for Fire Protection

**NRTL:** FM

**Laboratory:** FM Approvals

**Status:** currently recognized

> FM 2000 | Automatic Sprinklers for Fire Protection |

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

FM 2000 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** FM 2008

**Standard title:** Early Suppression-Fast Response (ESFR) Automatic Sprinklers

**NRTL:** FM

**Laboratory:** FM Approvals

**Status:** currently recognized

> FM 2008 | Early Suppression-Fast Response (ESFR) Automatic Sprinklers |

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

FM 2008 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** FM 3010

**Standard title:** Approval Standard for Fire Alarm Signaling Systems

**NRTL:** FM

**Laboratory:** FM Approvals

**Status:** currently recognized

> FM 3010 | Approval Standard for Fire Alarm Signaling Systems |

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

FM 3010 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** FM 3132

**Standard title:** Pressure Actuated Waterflow Switches

**NRTL:** FM

**Laboratory:** FM Approvals

**Status:** currently recognized

> FM 3132 | Pressure Actuated Waterflow Switches |

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

FM 3132 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** FM 3150

**Standard title:** Audible Notification Appliances for Automatic Fire Alarm Signaling

**NRTL:** FM

**Laboratory:** FM Approvals

**Status:** currently recognized

> FM 3150 | Audible Notification Appliances for Automatic Fire Alarm Signaling |

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

FM 3150 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** FM 3155

**Standard title:** Public Mode Visible Signaling Appliances for Automatic Fire Alarm Signaling

**NRTL:** FM

**Laboratory:** FM Approvals

**Status:** currently recognized

> FM 3155 | Public Mode Visible Signaling Appliances for Automatic Fire Alarm Signaling |

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

FM 3155 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** FM 3210

**Standard title:** Heat Detectors for Automatic Fire Alarm Signaling

**NRTL:** FM

**Laboratory:** FM Approvals

**Status:** currently recognized

> FM 3210 | Heat Detectors for Automatic Fire Alarm Signaling |

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

FM 3210 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** FM 3230

**Standard title:** Smoke Actuated Detectors for Automatic Fire Alarm Signaling

**NRTL:** FM

**Laboratory:** FM Approvals

**Status:** currently recognized

> FM 3230 | Smoke Actuated Detectors for Automatic Fire Alarm Signaling |

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

FM 3230 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** FM 3232

**Standard title:** Video Image Fire Detectors for Automatic Fire Alarm Signaling

**NRTL:** FM

**Laboratory:** FM Approvals

**Status:** currently recognized

> FM 3232 | Video Image Fire Detectors for Automatic Fire Alarm Signaling |

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

FM 3232 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** FM 3260

**Standard title:** Flame Radiation Detectors for Automatic Fire Alarm Signaling

**NRTL:** FM

**Laboratory:** FM Approvals

**Status:** currently recognized

> FM 3260 | Flame Radiation Detectors for Automatic Fire Alarm Signaling |

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

FM 3260 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** FM 3600

**Standard title:** Electrical Equipment for Use in Hazardous (Classified) Locations, General Requirements

**NRTL:** FM

**Laboratory:** FM Approvals

**Status:** currently recognized

> FM 3600 | Electrical Equipment for Use in Hazardous (Classified) Locations, General Requirements |

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

FM 3600 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** FM 3610

**Standard title:** Examination Standard for Intrinsically Safe Apparatus and Associated Apparatus for Use in Class I, II and III, Division 1, Hazardous (Classified) Locations

**NRTL:** FM

**Laboratory:** FM Approvals

**Status:** currently recognized

> FM 3610 | Examination Standard for Intrinsically Safe Apparatus and Associated Apparatus for Use in Class I, II and III, Division 1, Hazardous (Classified) Locations |

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

FM 3610 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** FM 3611

**Standard title:** Electrical Equipment for Use in Class I, Division 2; Class II, Division 2; and Class III, Division 1 and 2 Hazardous Locations

**NRTL:** FM

**Laboratory:** FM Approvals

**Status:** currently recognized

> FM 3611 | Electrical Equipment for Use in Class I, Division 2; Class II, Division 2; and Class III, Division 1 and 2 Hazardous Locations |

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

FM 3611 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** FM 3615

**Standard title:** Examination Standard for Explosionproof Electrical Equipment – General Requirements

**NRTL:** FM

**Laboratory:** FM Approvals

**Status:** currently recognized

> FM 3615 | Examination Standard for Explosionproof Electrical Equipment – General Requirements |

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

FM 3615 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** FM 3620

**Standard title:** Purged and Pressurized Electrical Equipment for Hazardous (Classified) Locations

**NRTL:** FM

**Laboratory:** FM Approvals

**Status:** currently recognized

> FM 3620 | Purged and Pressurized Electrical Equipment for Hazardous (Classified) Locations |

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

FM 3620 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** FM 3810

**Standard title:** Examination Standard for Electrical Equipment for Measurement, Control and Laboratory Use

**NRTL:** FM

**Laboratory:** FM Approvals

**Status:** currently recognized

> FM 3810 | Examination Standard for Electrical Equipment for Measurement, Control and Laboratory Use |

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

FM 3810 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** FM 3990

**Standard title:** Less or nonflammable Liquid-Insulated Transformers

**NRTL:** FM

**Laboratory:** FM Approvals

**Status:** currently recognized

> FM 3990 | Less or nonflammable Liquid-Insulated Transformers |

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

FM 3990 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** FM 5130

**Standard title:** Foam Extinguishing Systems

**NRTL:** FM

**Laboratory:** FM Approvals

**Status:** currently recognized

> FM 5130 | Foam Extinguishing Systems |

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

FM 5130 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** FM 5320

**Standard title:** Dry Chemical Extinguishing Systems

**NRTL:** FM

**Laboratory:** FM Approvals

**Status:** currently recognized

> FM 5320 | Dry Chemical Extinguishing Systems |

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

FM 5320 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** FM 5420

**Standard title:** Carbon Dioxide Extinguishing Systems

**NRTL:** FM

**Laboratory:** FM Approvals

**Status:** currently recognized

> FM 5420 | Carbon Dioxide Extinguishing Systems |

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

FM 5420 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** FM 5600

**Standard title:** Clean Agent Extinguishing Systems

**NRTL:** FM

**Laboratory:** FM Approvals

**Status:** currently recognized

> FM 5600 | Clean Agent Extinguishing Systems |

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

FM 5600 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** FM 6051

**Standard title:** Safety Containers and Filing, Supply and Disposal Containers

**NRTL:** FM

**Laboratory:** FM Approvals

**Status:** currently recognized

> FM 6051 | Safety Containers and Filing, Supply and Disposal Containers |

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

FM 6051 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** FM 6310

**Standard title:** Combustible Gas Detectors

**NRTL:** FM

**Laboratory:** FM Approvals

**Status:** currently recognized

> FM 6310 | Combustible Gas Detectors |

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

FM 6310 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** FM 7260

**Standard title:** Electrostatic Finishing Equipment

**NRTL:** FM

**Laboratory:** FM Approvals

**Status:** currently recognized

> FM 7260 | Electrostatic Finishing Equipment |

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

FM 7260 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** NFPA 13

**Standard title:** Installation of Sprinkler Systems

**NRTL:** FM

**Laboratory:** FM Approvals

**Status:** currently recognized

> NFPA 13 | Installation of Sprinkler Systems |

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

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


**Test standard:** UL 1058

**Standard title:** Halogenated Agent Extinguishing System Units

**NRTL:** FM

**Laboratory:** FM Approvals

**Status:** currently recognized

> UL 1058 | Halogenated Agent Extinguishing System Units |

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

UL 1058 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** UL 1203

**Standard title:** Explosion-Proof and Dust-Ignition-Proof Electrical Equipment for Use in Hazardous (Classified) Locations

**NRTL:** FM

**Laboratory:** FM Approvals

**Status:** currently recognized

> UL 1203 | Explosion-Proof and Dust-Ignition-Proof Electrical Equipment for Use in Hazardous (Classified) Locations |

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

UL 1203 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** UL 1206

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

**NRTL:** FM

**Laboratory:** FM Approvals

**Status:** currently recognized

> UL 1206 | Electric Commercial Clothes-Washing Equipment |

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

UL 1206 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** UL 121201

**Standard title:** Nonincendive Electrical Equipment for Use in Class I and II, Division 2 and Class III, Divisions 1 and 2 Hazardous (Classified) Locations

**NRTL:** FM

**Laboratory:** FM Approvals

**Status:** currently recognized

> UL 121201 | Nonincendive Electrical Equipment for Use in Class I and II, Division 2 and Class III, Divisions 1 and 2 Hazardous (Classified) Locations |

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

UL 121201 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** UL 1236

**Standard title:** Electric Battery Chargers

**NRTL:** FM

**Laboratory:** FM Approvals

**Status:** currently recognized

> UL 1236 | Electric Battery Chargers |

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

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


**Test standard:** UL 1240

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

**NRTL:** FM

**Laboratory:** FM Approvals

**Status:** currently recognized

> UL 1240 | Electric Commercial Clothes-Drying Equipment |

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

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


**Test standard:** UL 1254

**Standard title:** Pre-Engineered Dry Chemical Extinguishing System Units

**NRTL:** FM

**Laboratory:** FM Approvals

**Status:** currently recognized

> UL 1254 | Pre-Engineered Dry Chemical Extinguishing System Units |

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

UL 1254 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** UL 1480

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

**NRTL:** FM

**Laboratory:** FM Approvals

**Status:** currently recognized

> UL 1480 | Speakers for Fire Protective Signaling Systems |

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

UL 1480 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** UL 153

**Standard title:** Portable Electric Lamps

**NRTL:** FM

**Laboratory:** FM Approvals

**Status:** currently recognized

> UL 153 | Portable Electric Lamps |

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

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


**Test standard:** UL 154

**Standard title:** Carbon Dioxide Fire Extinguishers

**NRTL:** FM

**Laboratory:** FM Approvals

**Status:** currently recognized

> UL 154 | Carbon Dioxide Fire Extinguishers |

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

UL 154 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** UL 162

**Standard title:** Foam Equipment and Liquid Concentrates

**NRTL:** FM

**Laboratory:** FM Approvals

**Status:** currently recognized

> UL 162 | Foam Equipment and Liquid Concentrates |

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

UL 162 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** UL 1638

**Standard title:** Visual Signaling Appliances

**NRTL:** FM

**Laboratory:** FM Approvals

**Status:** currently recognized

> UL 1638 | Visual Signaling Appliances |

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

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


**Test standard:** UL 1971

**Standard title:** Signaling Devices for the Hearing Impaired

**NRTL:** FM

**Laboratory:** FM Approvals

**Status:** currently recognized

> UL 1971 | Signaling Devices for the Hearing Impaired |

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

UL 1971 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** UL 2127

**Standard title:** Inert Gas Clean Agent Extinguishing System Unit

**NRTL:** FM

**Laboratory:** FM Approvals

**Status:** currently recognized

> UL 2127 | Inert Gas Clean Agent Extinguishing System Unit |

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

UL 2127 — 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:** FM

**Laboratory:** FM Approvals

**Status:** currently recognized

> UL 2157 | Electric Clothes Washing Machines and Extractors |

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

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


**Test standard:** UL 2158

**Standard title:** Electric Clothes Dryers

**NRTL:** FM

**Laboratory:** FM Approvals

**Status:** currently recognized

> UL 2158 | Electric Clothes Dryers |

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

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


**Test standard:** UL 2166

**Standard title:** Halocarbon Clean Agent Extinguishing System Units

**NRTL:** FM

**Laboratory:** FM Approvals

**Status:** currently recognized

> UL 2166 | Halocarbon Clean Agent Extinguishing System Units |

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

UL 2166 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** UL 268

**Standard title:** Smoke Detectors for Fire Protective Signalling Systems

**NRTL:** FM

**Laboratory:** FM Approvals

**Status:** currently recognized

> UL 268 | Smoke Detectors for Fire Protective Signalling Systems |

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

UL 268 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** UL 268A

**Standard title:** Smoke Detectors for Duct Application

**NRTL:** FM

**Laboratory:** FM Approvals

**Status:** currently recognized

> UL 268A | Smoke Detectors for Duct Application |

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

UL 268A — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** UL 299

**Standard title:** Dry Chemical Fire Extinguishers

**NRTL:** FM

**Laboratory:** FM Approvals

**Status:** currently recognized

> UL 299 | Dry Chemical Fire Extinguishers |

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

UL 299 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** UL 346

**Standard title:** Waterflow Indicators for Fire Protective Signaling Systems

**NRTL:** FM

**Laboratory:** FM Approvals

**Status:** currently recognized

> UL 346 | Waterflow Indicators for Fire Protective Signaling Systems |

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

UL 346 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** UL 347

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

**NRTL:** FM

**Laboratory:** FM Approvals

**Status:** currently recognized

> UL 347 | High-Voltage Industrial Control Equipment |

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

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


**Test standard:** UL 38

**Standard title:** Manually Actuated Signalling Boxes for Use With Fire Protective Signalling Systems

**NRTL:** FM

**Laboratory:** FM Approvals

**Status:** currently recognized

> UL 38 | Manually Actuated Signalling Boxes for Use With Fire Protective Signalling Systems |

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

UL 38 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** UL 464

**Standard title:** Audible Signal Appliances

**NRTL:** FM

**Laboratory:** FM Approvals

**Status:** currently recognized

> UL 464 | Audible Signal Appliances |

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

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


**Test standard:** UL 50

**Standard title:** Enclosures for Electrical Equipment

**NRTL:** FM

**Laboratory:** FM Approvals

**Status:** currently recognized

> UL 50 | Enclosures for Electrical Equipment |

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

UL 50 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** UL 508

**Standard title:** Electric Industrial Control Equipment

**NRTL:** FM

**Laboratory:** FM Approvals

**Status:** currently recognized

> UL 508 | Electric Industrial Control Equipment |

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

UL 508 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** UL 50E

**Standard title:** Enclosures for Electrical Equipment, Environmental Considerations

**NRTL:** FM

**Laboratory:** FM Approvals

**Status:** currently recognized

> UL 50E | Enclosures for Electrical Equipment, Environmental Considerations |

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

UL 50E — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** UL 521

**Standard title:** Heat Detectors for Fire Protective Signaling Systems

**NRTL:** FM

**Laboratory:** FM Approvals

**Status:** currently recognized

> UL 521 | Heat Detectors for Fire Protective Signaling Systems |

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

UL 521 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** UL 558

**Standard title:** Industrial Trucks, Internal Combustion Engine-Powered

**NRTL:** FM

**Laboratory:** FM Approvals

**Status:** currently recognized

> UL 558 | Industrial Trucks, Internal Combustion Engine-Powered |

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

UL 558 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** UL 583

**Standard title:** Electric-Battery-Powered Industrial Trucks

**NRTL:** FM

**Laboratory:** FM Approvals

**Status:** currently recognized

> UL 583 | Electric-Battery-Powered Industrial Trucks |

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

UL 583 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** UL 60079-0

**Standard title:** Explosive Atmospheres - Part 0: Equipment - General Requirements

**NRTL:** FM

**Laboratory:** FM Approvals

**Status:** currently recognized

> UL 60079-0 | Explosive Atmospheres - Part 0: Equipment - General Requirements |

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

UL 60079-0 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** UL 60079-1

**Standard title:** Explosive Atmospheres - Part 1: Equipment Protection by Flameproof Enclosures "d"

**NRTL:** FM

**Laboratory:** FM Approvals

**Status:** currently recognized

> UL 60079-1 | Explosive Atmospheres - Part 1: Equipment Protection by Flameproof Enclosures "d" |

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

UL 60079-1 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** UL 60079-11

**Standard title:** Explosive Atmospheres - Part 11: Equipment Protection by Intrinsic Safety "i"

**NRTL:** FM

**Laboratory:** FM Approvals

**Status:** currently recognized

> UL 60079-11 | Explosive Atmospheres - Part 11: Equipment Protection by Intrinsic Safety "i" |

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

UL 60079-11 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** UL 60079-15

**Standard title:** Explosive Atmospheres - Part 15: Equipment Protection by Type of Protection "n"

**NRTL:** FM

**Laboratory:** FM Approvals

**Status:** currently recognized

> UL 60079-15 | Explosive Atmospheres - Part 15: Equipment Protection by Type of Protection "n" |

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

UL 60079-15 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** UL 60079-18

**Standard title:** Explosive Atmospheres - Part 18: Equipment Protection by Encapsulation "m"

**NRTL:** FM

**Laboratory:** FM Approvals

**Status:** currently recognized

> UL 60079-18 | Explosive Atmospheres - Part 18: Equipment Protection by Encapsulation "m" |

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

UL 60079-18 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** UL 60079-2

**Standard title:** Explosive Atmospheres - Part 2: Protection by Pressurized Enclosures "p"

**NRTL:** FM

**Laboratory:** FM Approvals

**Status:** currently recognized

> UL 60079-2 | Explosive Atmospheres - Part 2: Protection by Pressurized Enclosures "p" |

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

UL 60079-2 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** UL 60079-25

**Standard title:** Explosive Atmospheres - Part 25: Intrinsically Safe Electrical Systems

**NRTL:** FM

**Laboratory:** FM Approvals

**Status:** currently recognized

> UL 60079-25 | Explosive Atmospheres - Part 25: Intrinsically Safe Electrical Systems |

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

UL 60079-25 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** UL 60079-26

**Standard title:** Explosive Atmospheres - Part 26: Equipment for Use in Class I, Zone 0 Hazardous (Classified) Locations

**NRTL:** FM

**Laboratory:** FM Approvals

**Status:** currently recognized

> UL 60079-26 | Explosive Atmospheres - Part 26: Equipment for Use in Class I, Zone 0 Hazardous (Classified) Locations |

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

UL 60079-26 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** UL 60079-28

**Standard title:** Standard for Explosive Atmospheres - Part 28: Protection of Equipment and Transmission Systems Using Optical Radiation

**NRTL:** FM

**Laboratory:** FM Approvals

**Status:** currently recognized

> UL 60079-28 | Standard for Explosive Atmospheres - Part 28: Protection of Equipment and Transmission Systems Using Optical Radiation |

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

UL 60079-28 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** UL 60079-31

**Standard title:** Standard for Explosive Atmospheres - Part 31: Equipment Dust Ignition Protection Enclosure "t"

**NRTL:** FM

**Laboratory:** FM Approvals

**Status:** currently recognized

> UL 60079-31 | Standard for Explosive Atmospheres - Part 31: Equipment Dust Ignition Protection Enclosure "t" |

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

UL 60079-31 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** UL 60079-5

**Standard title:** Explosive Atmospheres - Part 5: Equipment Protection by Powder Filling "q"

**NRTL:** FM

**Laboratory:** FM Approvals

**Status:** currently recognized

> UL 60079-5 | Explosive Atmospheres - Part 5: Equipment Protection by Powder Filling "q" |

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

UL 60079-5 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** UL 60079-6

**Standard title:** Explosive Atmospheres - Part 6: Equipment Protection by Oil Immersion "o"

**NRTL:** FM

**Laboratory:** FM Approvals

**Status:** currently recognized

> UL 60079-6 | Explosive Atmospheres - Part 6: Equipment Protection by Oil Immersion "o" |

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

UL 60079-6 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** UL 60079-7

**Standard title:** Explosive Atmospheres - Part 7: Equipment Protection by Increased Safety "e"

**NRTL:** FM

**Laboratory:** FM Approvals

**Status:** currently recognized

> UL 60079-7 | Explosive Atmospheres - Part 7: Equipment Protection by Increased Safety "e" |

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

UL 60079-7 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** UL 60950-1

**Standard title:** Information Technology Equipment Safety - Part 1: General Requirements

**NRTL:** FM

**Laboratory:** FM Approvals

**Status:** currently recognized

> UL 60950-1 | Information Technology Equipment Safety - Part 1: General Requirements |

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

UL 60950-1 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** UL 61010-1

**Standard title:** Electrical Equipment for Measurement, Control and Laboratory Use; Part 1: General Requirements

**NRTL:** FM

**Laboratory:** FM Approvals

**Status:** currently recognized

> UL 61010-1 | Electrical Equipment for Measurement, Control and Laboratory Use; Part 1: General Requirements |

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

UL 61010-1 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** UL 626

**Standard title:** 2-1/2 Gallon Stored Pressure Water Type Fire Extinguishers

**NRTL:** FM

**Laboratory:** FM Approvals

**Status:** currently recognized

> UL 626 | 2-1/2 Gallon Stored Pressure Water Type Fire Extinguishers |

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

UL 626 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** UL 674

**Standard title:** Electric Motors and Generators for Use in Hazardous (Classified) Locations

**NRTL:** FM

**Laboratory:** FM Approvals

**Status:** currently recognized

> UL 674 | Electric Motors and Generators for Use in Hazardous (Classified) Locations |

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

UL 674 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** UL 711

**Standard title:** Rating and Fire Testing of Fire Extinguishers

**NRTL:** FM

**Laboratory:** FM Approvals

**Status:** currently recognized

> UL 711 | Rating and Fire Testing of Fire Extinguishers |

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

UL 711 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** UL 753

**Standard title:** Alarm Accessories for Automatic Water-Supply Control Valves for Fire-Protection Service

**NRTL:** FM

**Laboratory:** FM Approvals

**Status:** currently recognized

> UL 753 | Alarm Accessories for Automatic Water-Supply Control Valves for Fire-Protection Service |

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

UL 753 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** UL 8

**Standard title:** Foam Fire Extinguishers

**NRTL:** FM

**Laboratory:** FM Approvals

**Status:** currently recognized

> UL 8 | Foam Fire Extinguishers |

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

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


**Test standard:** UL 823

**Standard title:** Electric Heaters for Use in Hazardous (Classified) Locations

**NRTL:** FM

**Laboratory:** FM Approvals

**Status:** currently recognized

> UL 823 | Electric Heaters for Use in Hazardous (Classified) Locations |

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

UL 823 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** UL 827

**Standard title:** Central-Stations for Watchmen, Fire-Alarm, and Supervisory Services

**NRTL:** FM

**Laboratory:** FM Approvals

**Status:** currently recognized

> UL 827 | Central-Stations for Watchmen, Fire-Alarm, and Supervisory Services |

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

UL 827 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** UL 844

**Standard title:** Electric Lighting Fixtures for Use in Hazardous (Classified) Locations

**NRTL:** FM

**Laboratory:** FM Approvals

**Status:** currently recognized

> UL 844 | Electric Lighting Fixtures for Use in Hazardous (Classified) Locations |

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

UL 844 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** UL 863

**Standard title:** Electric Time-Indicating and -Recording Appliances

**NRTL:** FM

**Laboratory:** FM Approvals

**Status:** currently recognized

> UL 863 | Electric Time-Indicating and -Recording Appliances |

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

UL 863 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** UL 864

**Standard title:** Control Units and Accessories for Fire Alarm Systems

**NRTL:** FM

**Laboratory:** FM Approvals

**Status:** currently recognized

> UL 864 | Control Units and Accessories for Fire Alarm Systems |

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

UL 864 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** UL 913

**Standard title:** Intrinsically Safe Apparatus and Associated Apparatus for Use in Class I, II, and III, Division I, Hazardous (Classified) Locations

**NRTL:** FM

**Laboratory:** FM Approvals

**Status:** currently recognized

> UL 913 | Intrinsically Safe Apparatus and Associated Apparatus for Use in Class I, II, and III, Division I, Hazardous (Classified) Locations |

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

UL 913 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** FMRC 7812

**Standard title:** Industrial trucks LP Gas

**Status:** no longer recognized

> FMRC 7812 | Industrial trucks LP Gas |

Source: <https://www.osha.gov/nationally-recognized-testing-laboratory-program/standards-no-longer-recognized>

FMRC 7812 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** FMRC 7816

**Standard title:** Industrial trucks LP Gas Dual Fuel

**Status:** no longer recognized

> FMRC 7816 | Industrial trucks LP Gas Dual Fuel |

Source: <https://www.osha.gov/nationally-recognized-testing-laboratory-program/standards-no-longer-recognized>

FMRC 7816 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** FMRC 7820

**Standard title:** Industrial trucks Electric

**Status:** no longer recognized

> FMRC 7820 | Industrial trucks Electric |

Source: <https://www.osha.gov/nationally-recognized-testing-laboratory-program/standards-no-longer-recognized>

FMRC 7820 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** UL 1081

**Standard title:** Electric Swimming Pool Pumps, Filters and Chlorinators

**NRTL:** IAPMO

**Laboratory:** International Association of Plumbing and Mechanical Officials EGS (IAPMO)

**Status:** currently recognized

> UL 1081 | Electric Swimming Pool Pumps, Filters and Chlorinators |

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

UL 1081 — 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:** IAPMO

**Laboratory:** International Association of Plumbing and Mechanical Officials EGS (IAPMO)

**Status:** currently recognized

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

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

UL 1241 — 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:** IAPMO

**Laboratory:** International Association of Plumbing and Mechanical Officials EGS (IAPMO)

**Status:** currently recognized

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

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

UL 1261 — 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:** IAPMO

**Laboratory:** International Association of Plumbing and Mechanical Officials EGS (IAPMO)

**Status:** currently recognized

> UL 1431 | Personal Hygiene and Health Care Appliances |

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

UL 1431 — 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:** IAPMO

**Laboratory:** International Association of Plumbing and Mechanical Officials EGS (IAPMO)

**Status:** currently recognized

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

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

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


**Test standard:** UL 1795

**Standard title:** Hydromassage Bathtubs

**NRTL:** IAPMO

**Laboratory:** International Association of Plumbing and Mechanical Officials EGS (IAPMO)

**Status:** currently recognized

> UL 1795 | Hydromassage Bathtubs |

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

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


**Test standard:** UL 1951

**Standard title:** Electric Plumbing Accessories

**NRTL:** IAPMO

**Laboratory:** International Association of Plumbing and Mechanical Officials EGS (IAPMO)

**Status:** currently recognized

> UL 1951 | Electric Plumbing Accessories |

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

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


**Test standard:** UL 197

**Standard title:** Commercial Electric Cooking Appliances

**NRTL:** IAPMO

**Laboratory:** International Association of Plumbing and Mechanical Officials EGS (IAPMO)

**Status:** currently recognized

> UL 197 | Commercial Electric Cooking Appliances |

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

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


**Test standard:** UL 399

**Standard title:** Drinking-Water Coolers

**NRTL:** IAPMO

**Laboratory:** International Association of Plumbing and Mechanical Officials EGS (IAPMO)

**Status:** currently recognized

> UL 399 | Drinking-Water Coolers |

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

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


**Test standard:** UL 676

**Standard title:** Underwater Lighting Fixtures

**NRTL:** IAPMO

**Laboratory:** International Association of Plumbing and Mechanical Officials EGS (IAPMO)

**Status:** currently recognized

> UL 676 | Underwater Lighting Fixtures |

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

UL 676 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** UL 73

**Standard title:** Electric-Motor-Operated Appliances

**NRTL:** IAPMO

**Laboratory:** International Association of Plumbing and Mechanical Officials EGS (IAPMO)

**Status:** currently recognized

> UL 73 | Electric-Motor-Operated Appliances |

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

UL 73 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** UL 763

**Standard title:** Motor-Operated Commercial Food Preparing Machines

**NRTL:** IAPMO

**Laboratory:** International Association of Plumbing and Mechanical Officials EGS (IAPMO)

**Status:** currently recognized

> UL 763 | Motor-Operated Commercial Food Preparing Machines |

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

UL 763 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** UL 778

**Standard title:** Motor-Operated Water Pumps

**NRTL:** IAPMO

**Laboratory:** International Association of Plumbing and Mechanical Officials EGS (IAPMO)

**Status:** currently recognized

> UL 778 | Motor-Operated Water Pumps |

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

UL 778 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** UL 875

**Standard title:** Electric Dry Bath Heaters

**NRTL:** IAPMO

**Laboratory:** International Association of Plumbing and Mechanical Officials EGS (IAPMO)

**Status:** currently recognized

> UL 875 | Electric Dry Bath Heaters |

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

UL 875 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** UL 962

**Standard title:** Household and Commercial Furnishings

**NRTL:** IAPMO

**Laboratory:** International Association of Plumbing and Mechanical Officials EGS (IAPMO)

**Status:** currently recognized

> UL 962 | Household and Commercial Furnishings |

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

UL 962 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** UL 979

**Standard title:** Water Treatment Appliances

**NRTL:** IAPMO

**Laboratory:** International Association of Plumbing and Mechanical Officials EGS (IAPMO)

**Status:** currently recognized

> UL 979 | Water Treatment Appliances |

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

UL 979 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** IEEE C37.121

**Standard title:** Unit Substations - Requirements

**Status:** listed as appropriate

> IEEE C37.121 | Unit Substations - Requirements |

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

IEEE C37.121 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** IEEE C37.122

**Standard title:** Gas-Insulated Substations

**Status:** listed as appropriate

> IEEE C37.122 | Gas-Insulated Substations |

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

IEEE C37.122 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** IEEE C37.13

**Standard title:** Low Voltage AC Power Circuit Breakers Used in Enclosures

**Status:** listed as appropriate

> IEEE C37.13 | Low Voltage AC Power Circuit Breakers Used in Enclosures |

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

IEEE C37.13 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** IEEE C37.14

**Standard title:** Low Voltage DC Power Circuit Breakers Used in Enclosures

**Status:** listed as appropriate

> IEEE C37.14 | Low Voltage DC Power Circuit Breakers Used in Enclosures |

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

IEEE C37.14 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** IEEE C37.17

**Standard title:** Trip Devices for AC and General Purpose DC Low-Voltage Power Circuit Breakers

**Status:** listed as appropriate

> IEEE C37.17 | Trip Devices for AC and General Purpose DC Low-Voltage Power Circuit Breakers |

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

IEEE C37.17 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** IEEE C37.18

**Standard title:** Enclosed Field Discharge Circuit Breakers for Rotating Electric Machinery

**Status:** listed as appropriate

> IEEE C37.18 | Enclosed Field Discharge Circuit Breakers for Rotating Electric Machinery |

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

IEEE C37.18 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** IEEE C37.20.1

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

**Status:** listed as appropriate

> IEEE C37.20.1 | Metal-Enclosed Low-Voltage Power Circuit Breaker Switchgear |

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

IEEE C37.20.1 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** IEEE C37.20.2

**Standard title:** Metal-Clad and Station-Type Cubicle Switchgear

**Status:** listed as appropriate

> IEEE C37.20.2 | Metal-Clad and Station-Type Cubicle Switchgear |

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

IEEE C37.20.2 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** IEEE C37.20.3

**Standard title:** Metal-Enclosed Interrupter Switchgear

**Status:** listed as appropriate

> IEEE C37.20.3 | Metal-Enclosed Interrupter Switchgear |

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

IEEE C37.20.3 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** IEEE C37.20.4

**Standard title:** Indoor AC Switches (1 kV-38 kV) for Use in Metal-Enclosed Switchgear

**Status:** listed as appropriate

> IEEE C37.20.4 | Indoor AC Switches (1 kV-38 kV) for Use in Metal-Enclosed Switchgear |

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

IEEE C37.20.4 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** IEEE C37.20.6

**Standard title:** 4.76 kV to 38 kV Rated Grounding and Testing Devices Used in Enclosures

**Status:** listed as appropriate

> IEEE C37.20.6 | 4.76 kV to 38 kV Rated Grounding and Testing Devices Used in Enclosures |

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

IEEE C37.20.6 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** IEEE C37.21

**Standard title:** Control Switchboards

**Status:** listed as appropriate

> IEEE C37.21 | Control Switchboards |

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

IEEE C37.21 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** IEEE C37.23

**Standard title:** Metal-Enclosed Bus

**Status:** listed as appropriate

> IEEE C37.23 | Metal-Enclosed Bus |

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

IEEE C37.23 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** IEEE C37.41

**Standard title:** High-Voltage Fuses, Distribution Enclosed Single-Pole Air Switches, Fuse Disconnecting Switches, and Accessories

**Status:** listed as appropriate

> IEEE C37.41 | High-Voltage Fuses, Distribution Enclosed Single-Pole Air Switches, Fuse Disconnecting Switches, and Accessories |

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

IEEE C37.41 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** IEEE C37.42

**Standard title:** Distribution Cutouts and Fuse Links

**Status:** listed as appropriate

> IEEE C37.42 | Distribution Cutouts and Fuse Links |

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

IEEE C37.42 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** IEEE C37.60

**Standard title:** Overhead, Pad Mounted, Dry Vault, and Submersible Automatic Circuit Reclosers and Fault Interrupters for Alternating Current Systems up to 38 kV

**Status:** listed as appropriate

> IEEE C37.60 | Overhead, Pad Mounted, Dry Vault, and Submersible Automatic Circuit Reclosers and Fault Interrupters for Alternating Current Systems up to 38 kV |

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

IEEE C37.60 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** IEEE C37.66

**Standard title:** Oil-Filled Capacitor Switches for Alternating-Current Systems - Requirements

**Status:** listed as appropriate

> IEEE C37.66 | Oil-Filled Capacitor Switches for Alternating-Current Systems - Requirements |

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

IEEE C37.66 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** IEEE C37.74

**Standard title:** Subsurface, Vault, and Pad-Mounted Load-Interrupter Switchgear and Fused Load-Interrupter Switchgear for Alternating Current Systems Up to 38 kV Switchgear

**Status:** listed as appropriate

> IEEE C37.74 | Subsurface, Vault, and Pad-Mounted Load-Interrupter Switchgear and Fused Load-Interrupter Switchgear for Alternating Current Systems Up to 38 kV Switchgear |

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

IEEE C37.74 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** IEEE C37.90

**Standard title:** Relays and Relay Systems Associated with Electric Power Apparatus

**Status:** listed as appropriate

> IEEE C37.90 | Relays and Relay Systems Associated with Electric Power Apparatus |

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

IEEE C37.90 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** IEEE C57.12.00

**Standard title:** Distribution, Power and Regulating Transformers - General Requirements

**Status:** listed as appropriate

> IEEE C57.12.00 | Distribution, Power and Regulating Transformers - General Requirements |

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

IEEE C57.12.00 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** IEEE C57.12.20

**Standard title:** Overhead-Type Distribution Transformers, 500 kVA and Smaller

**Status:** listed as appropriate

> IEEE C57.12.20 | Overhead-Type Distribution Transformers, 500 kVA and Smaller |

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

IEEE C57.12.20 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** IEEE C57.12.23

**Standard title:** Underground-Type Self-Cooled, Single-Phase Distribution Transformers with Separable Insulated High-Voltage Connectors; 167 kVA and Smaller

**Status:** listed as appropriate

> IEEE C57.12.23 | Underground-Type Self-Cooled, Single-Phase Distribution Transformers with Separable Insulated High-Voltage Connectors; 167 kVA and Smaller |

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

IEEE C57.12.23 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** IEEE C57.12.24

**Standard title:** Underground-Type Three-Phase Distribution Transformers, 2500 kVA and Smaller

**Status:** listed as appropriate

> IEEE C57.12.24 | Underground-Type Three-Phase Distribution Transformers, 2500 kVA and Smaller |

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

IEEE C57.12.24 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** IEEE C57.12.25

**Standard title:** Pad-Mounted Compartmental-Type Self-Cooled Single-Phase Distribution Transformers with Separable Insulated High-Voltage Connectors; 167 kVA and Smaller

**Status:** listed as appropriate

> IEEE C57.12.25 | Pad-Mounted Compartmental-Type Self-Cooled Single-Phase Distribution Transformers with Separable Insulated High-Voltage Connectors; 167 kVA and Smaller |

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

IEEE C57.12.25 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** IEEE C57.12.40

**Standard title:** Three Phase Secondary Network Transformers, Subway and Vault Types (Liquid Immersed); 2500 kVA and Smaller

**Status:** listed as appropriate

> IEEE C57.12.40 | Three Phase Secondary Network Transformers, Subway and Vault Types (Liquid Immersed); 2500 kVA and Smaller |

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

IEEE C57.12.40 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** IEEE C57.12.44

**Standard title:** Secondary Network Protectors

**Status:** listed as appropriate

> IEEE C57.12.44 | Secondary Network Protectors |

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

IEEE C57.12.44 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** IEEE C57.12.50

**Standard title:** Ventilated Dry-Type Distribution Transformers, 1 to 500 kVA, Single-Phase; and 15 to 500 kVA, Three Phase

**Status:** listed as appropriate

> IEEE C57.12.50 | Ventilated Dry-Type Distribution Transformers, 1 to 500 kVA, Single-Phase; and 15 to 500 kVA, Three Phase |

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

IEEE C57.12.50 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** IEEE C57.12.51

**Standard title:** Ventilated Dry-Type Power Transformers 501 kVA and Larger, Three-Phase

**Status:** listed as appropriate

> IEEE C57.12.51 | Ventilated Dry-Type Power Transformers 501 kVA and Larger, Three-Phase |

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

IEEE C57.12.51 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** IEEE C57.12.52

**Standard title:** Sealed Dry-Type Power Transformers, 501 kVA and Larger, Three-Phase

**Status:** listed as appropriate

> IEEE C57.12.52 | Sealed Dry-Type Power Transformers, 501 kVA and Larger, Three-Phase |

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

IEEE C57.12.52 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** IEEE C57.12.55

**Standard title:** Dry-Type Transformers in Unit Installations, Including Unit Substations - Conformance Requirements

**Status:** listed as appropriate

> IEEE C57.12.55 | Dry-Type Transformers in Unit Installations, Including Unit Substations - Conformance Requirements |

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

IEEE C57.12.55 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** IEEE C57.13

**Standard title:** Instrument Transformers - Requirements

**Status:** listed as appropriate

> IEEE C57.13 | Instrument Transformers - Requirements |

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

IEEE C57.13 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** IEEE C57.15

**Standard title:** Step-Voltage and Induction-Voltage Regulators

**Status:** listed as appropriate

> IEEE C57.15 | Step-Voltage and Induction-Voltage Regulators |

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

IEEE C57.15 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** IEEE C57.21

**Standard title:** Shunt Reactors Over 500 kVA

**Status:** listed as appropriate

> IEEE C57.21 | Shunt Reactors Over 500 kVA |

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

IEEE C57.21 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** IEEE C62.11

**Standard title:** Metal Oxide Surge Arresters for AC Power Circuits

**Status:** listed as appropriate

> IEEE C62.11 | Metal Oxide Surge Arresters for AC Power Circuits |

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

IEEE C62.11 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** ANSI/AAMI ES 60601-1

**Standard title:** Medical Electrical Equipment – Part 1: General Requirements for Basic Safety and Essential Performance

**NRTL:** ITS

**Laboratory:** Intertek Testing Services NA, Inc.

**Status:** currently recognized

> ANSI/AAMI ES 60601-1 | Medical Electrical Equipment – Part 1: General Requirements for Basic Safety and Essential Performance |

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

ANSI/AAMI ES 60601-1 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** ANSI Z8.1

**Standard title:** Commercial Laundry and Dry-cleaning Operations-Safety Requirements

**NRTL:** ITS

**Laboratory:** Intertek Testing Services NA, Inc.

**Status:** currently recognized

> ANSI Z8.1 | Commercial Laundry and Dry-cleaning Operations-Safety Requirements |

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

ANSI Z8.1 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** ASME A17.5

**Standard title:** Elevators and Escalator Electrical Equipment

**NRTL:** ITS

**Laboratory:** Intertek Testing Services NA, Inc.

**Status:** currently recognized

> ASME A17.5 | Elevators and Escalator Electrical Equipment |

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

ASME A17.5 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** BHMA A156.3

**Standard title:** Exit Devices

**NRTL:** ITS

**Laboratory:** Intertek Testing Services NA, Inc.

**Status:** currently recognized

> BHMA A156.3 | Exit Devices |

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

BHMA A156.3 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** CGA G-2.1

**Standard title:** Storage and Handling of Anhydrous Ammonia (CGA G-2.1)

**NRTL:** ITS

**Laboratory:** Intertek Testing Services NA, Inc.

**Status:** currently recognized

> CGA G-2.1 | Storage and Handling of Anhydrous Ammonia (CGA G-2.1) |

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

CGA G-2.1 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** CSA/AM Z21.1

**Standard title:** Household Cooking Gas Appliances

**NRTL:** ITS

**Laboratory:** Intertek Testing Services NA, Inc.

**Status:** currently recognized

> CSA/AM Z21.1 | Household Cooking Gas Appliances |

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

CSA/AM Z21.1 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** CSA/AM Z21.10.1

**Standard title:** Gas Water Heaters - Volume I - Storage Water Heaters with Input Ratings of 75,000 Btu per Hour or less

**NRTL:** ITS

**Laboratory:** Intertek Testing Services NA, Inc.

**Status:** currently recognized

> CSA/AM Z21.10.1 | Gas Water Heaters - Volume I - Storage Water Heaters with Input Ratings of 75,000 Btu per Hour or less |

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

CSA/AM Z21.10.1 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** CSA/AM Z21.10.3

**Standard title:** Gas Water Heaters - Volume III - Storage, Circulating and Instantaneous Water Heaters with Input Ratings above 75,000 Btu per Hour or less

**NRTL:** ITS

**Laboratory:** Intertek Testing Services NA, Inc.

**Status:** currently recognized

> CSA/AM Z21.10.3 | Gas Water Heaters - Volume III - Storage, Circulating and Instantaneous Water Heaters with Input Ratings above 75,000 Btu per Hour or less |

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

CSA/AM Z21.10.3 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** CSA/AM Z21.11.2

**Standard title:** Gas-Fired Room Heaters - Volume II - Unvented Room Heaters

**NRTL:** ITS

**Laboratory:** Intertek Testing Services NA, Inc.

**Status:** currently recognized

> CSA/AM Z21.11.2 | Gas-Fired Room Heaters - Volume II - Unvented Room Heaters |

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

CSA/AM Z21.11.2 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** CSA/AM Z21.13

**Standard title:** Gas-Fired Low-Pressure Steam and Hot Water Heating Boilers

**NRTL:** ITS

**Laboratory:** Intertek Testing Services NA, Inc.

**Status:** currently recognized

> CSA/AM Z21.13 | Gas-Fired Low-Pressure Steam and Hot Water Heating Boilers |

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

CSA/AM Z21.13 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** CSA/AM Z21.15

**Standard title:** Manually Operated Gas Valves

**NRTL:** ITS

**Laboratory:** Intertek Testing Services NA, Inc.

**Status:** currently recognized

> CSA/AM Z21.15 | Manually Operated Gas Valves |

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

CSA/AM Z21.15 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** CSA/AM Z21.17

**Standard title:** Domestic Gas Conversion Burners

**NRTL:** ITS

**Laboratory:** Intertek Testing Services NA, Inc.

**Status:** currently recognized

> CSA/AM Z21.17 | Domestic Gas Conversion Burners |

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

CSA/AM Z21.17 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** CSA/AM Z21.18

**Standard title:** Gas Appliance Pressure Regulators

**NRTL:** ITS

**Laboratory:** Intertek Testing Services NA, Inc.

**Status:** currently recognized

> CSA/AM Z21.18 | Gas Appliance Pressure Regulators |

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

CSA/AM Z21.18 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** CSA/AM Z21.19

**Standard title:** Refrigerators Using Gas Fuel

**NRTL:** ITS

**Laboratory:** Intertek Testing Services NA, Inc.

**Status:** currently recognized

> CSA/AM Z21.19 | Refrigerators Using Gas Fuel |

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

CSA/AM Z21.19 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** CSA/AM Z21.20

**Standard title:** Automatic Gas Ignition Systems and Components

**NRTL:** ITS

**Laboratory:** Intertek Testing Services NA, Inc.

**Status:** currently recognized

> CSA/AM Z21.20 | Automatic Gas Ignition Systems and Components |

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

CSA/AM Z21.20 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** CSA/AM Z21.21

**Standard title:** Automatic Valves for Gas Appliances

**NRTL:** ITS

**Laboratory:** Intertek Testing Services NA, Inc.

**Status:** currently recognized

> CSA/AM Z21.21 | Automatic Valves for Gas Appliances |

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

CSA/AM Z21.21 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** CSA/AM Z21.22

**Standard title:** Relief Valves and Automatic Gas Shutoff Devices for Hot Water Supply Systems

**NRTL:** ITS

**Laboratory:** Intertek Testing Services NA, Inc.

**Status:** currently recognized

> CSA/AM Z21.22 | Relief Valves and Automatic Gas Shutoff Devices for Hot Water Supply Systems |

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

CSA/AM Z21.22 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** CSA/AM Z21.23

**Standard title:** Gas Appliance Thermostats

**NRTL:** ITS

**Laboratory:** Intertek Testing Services NA, Inc.

**Status:** currently recognized

> CSA/AM Z21.23 | Gas Appliance Thermostats |

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

CSA/AM Z21.23 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** CSA/AM Z21.24

**Standard title:** Metal Connectors for Gas Appliances

**NRTL:** ITS

**Laboratory:** Intertek Testing Services NA, Inc.

**Status:** currently recognized

> CSA/AM Z21.24 | Metal Connectors for Gas Appliances |

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

CSA/AM Z21.24 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** CSA/AM Z21.35

**Standard title:** Gas Filters on Appliances

**NRTL:** ITS

**Laboratory:** Intertek Testing Services NA, Inc.

**Status:** currently recognized

> CSA/AM Z21.35 | Gas Filters on Appliances |

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

CSA/AM Z21.35 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** CSA/AM Z21.40.1

**Standard title:** Gas-Fired Absorption Summer Air Conditioning Appliances

**NRTL:** ITS

**Laboratory:** Intertek Testing Services NA, Inc.

**Status:** currently recognized

> CSA/AM Z21.40.1 | Gas-Fired Absorption Summer Air Conditioning Appliances |

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

CSA/AM Z21.40.1 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** CSA/AM Z21.41

**Standard title:** Quick-Disconnect Devices for Use with Gas Fuel

**NRTL:** ITS

**Laboratory:** Intertek Testing Services NA, Inc.

**Status:** currently recognized

> CSA/AM Z21.41 | Quick-Disconnect Devices for Use with Gas Fuel |

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

CSA/AM Z21.41 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** CSA/AM Z21.42

**Standard title:** Gas-Fired Illuminating Appliances

**NRTL:** ITS

**Laboratory:** Intertek Testing Services NA, Inc.

**Status:** currently recognized

> CSA/AM Z21.42 | Gas-Fired Illuminating Appliances |

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

CSA/AM Z21.42 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** CSA/AM Z21.47

**Standard title:** Gas-Fired Central Furnaces

**NRTL:** ITS

**Laboratory:** Intertek Testing Services NA, Inc.

**Status:** currently recognized

> CSA/AM Z21.47 | Gas-Fired Central Furnaces |

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

CSA/AM Z21.47 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** CSA/AM Z21.5.1

**Standard title:** Gas Clothes Dryers - Volume I - Type 1 Clothes Dryers

**NRTL:** ITS

**Laboratory:** Intertek Testing Services NA, Inc.

**Status:** currently recognized

> CSA/AM Z21.5.1 | Gas Clothes Dryers - Volume I - Type 1 Clothes Dryers |

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

CSA/AM Z21.5.1 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** CSA/AM Z21.5.2

**Standard title:** Gas Clothes Dryers - Volume II - Type 2 Clothes Dryers

**NRTL:** ITS

**Laboratory:** Intertek Testing Services NA, Inc.

**Status:** currently recognized

> CSA/AM Z21.5.2 | Gas Clothes Dryers - Volume II - Type 2 Clothes Dryers |

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

CSA/AM Z21.5.2 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** CSA/AM Z21.50

**Standard title:** Vented Decorative Gas Appliances

**NRTL:** ITS

**Laboratory:** Intertek Testing Services NA, Inc.

**Status:** currently recognized

> CSA/AM Z21.50 | Vented Decorative Gas Appliances |

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

CSA/AM Z21.50 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** CSA/AM Z21.54

**Standard title:** Gas Hose Connectors for Portable Outdoor Gas-Fired Appliances

**NRTL:** ITS

**Laboratory:** Intertek Testing Services NA, Inc.

**Status:** currently recognized

> CSA/AM Z21.54 | Gas Hose Connectors for Portable Outdoor Gas-Fired Appliances |

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

CSA/AM Z21.54 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** CSA/AM Z21.56

**Standard title:** Gas-Fired Pool Heaters

**NRTL:** ITS

**Laboratory:** Intertek Testing Services NA, Inc.

**Status:** currently recognized

> CSA/AM Z21.56 | Gas-Fired Pool Heaters |

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

CSA/AM Z21.56 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** CSA/AM Z21.57

**Standard title:** Recreational Vehicle Cooking Gas Appliances

**NRTL:** ITS

**Laboratory:** Intertek Testing Services NA, Inc.

**Status:** currently recognized

> CSA/AM Z21.57 | Recreational Vehicle Cooking Gas Appliances |

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

CSA/AM Z21.57 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** CSA/AM Z21.58

**Standard title:** Outdoor Cooking Gas Appliances

**NRTL:** ITS

**Laboratory:** Intertek Testing Services NA, Inc.

**Status:** currently recognized

> CSA/AM Z21.58 | Outdoor Cooking Gas Appliances |

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

CSA/AM Z21.58 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** CSA/AM Z21.60

**Standard title:** Decorative Gas Appliances for Installation in Solid-Fuel Burning Fireplaces

**NRTL:** ITS

**Laboratory:** Intertek Testing Services NA, Inc.

**Status:** currently recognized

> CSA/AM Z21.60 | Decorative Gas Appliances for Installation in Solid-Fuel Burning Fireplaces |

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

CSA/AM Z21.60 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** CSA/AM Z21.66

**Standard title:** Automatic Vent Damper Devices for Use With Gas-Fired Appliances Electrically Operated

**NRTL:** ITS

**Laboratory:** Intertek Testing Services NA, Inc.

**Status:** currently recognized

> CSA/AM Z21.66 | Automatic Vent Damper Devices for Use With Gas-Fired Appliances Electrically Operated |

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

CSA/AM Z21.66 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** CSA/AM Z21.69

**Standard title:** Connectors for Movable Gas Appliances

**NRTL:** ITS

**Laboratory:** Intertek Testing Services NA, Inc.

**Status:** currently recognized

> CSA/AM Z21.69 | Connectors for Movable Gas Appliances |

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

CSA/AM Z21.69 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** CSA/AM Z21.72

**Standard title:** Portable Camp Cook Stoves for Use With Propane Gas

**NRTL:** ITS

**Laboratory:** Intertek Testing Services NA, Inc.

**Status:** currently recognized

> CSA/AM Z21.72 | Portable Camp Cook Stoves for Use With Propane Gas |

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

CSA/AM Z21.72 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** CSA/AM Z21.73

**Standard title:** Portable Type Gas Camp Lights

**NRTL:** ITS

**Laboratory:** Intertek Testing Services NA, Inc.

**Status:** currently recognized

> CSA/AM Z21.73 | Portable Type Gas Camp Lights |

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

CSA/AM Z21.73 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** CSA/AM Z21.74

**Standard title:** Portable Refrigerators for Use With HD-5 Propane Gas

**NRTL:** ITS

**Laboratory:** Intertek Testing Services NA, Inc.

**Status:** currently recognized

> CSA/AM Z21.74 | Portable Refrigerators for Use With HD-5 Propane Gas |

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

CSA/AM Z21.74 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** CSA/AM Z21.76

**Standard title:** Gas-Fired Unvented Catalytic Room Heaters for Use With Liquefied Petroleum (LP) Gases

**NRTL:** ITS

**Laboratory:** Intertek Testing Services NA, Inc.

**Status:** currently recognized

> CSA/AM Z21.76 | Gas-Fired Unvented Catalytic Room Heaters for Use With Liquefied Petroleum (LP) Gases |

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

CSA/AM Z21.76 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** CSA/AM Z21.86

**Standard title:** Vented Gas-Fired Space Heating Appliance

**NRTL:** ITS

**Laboratory:** Intertek Testing Services NA, Inc.

**Status:** currently recognized

> CSA/AM Z21.86 | Vented Gas-Fired Space Heating Appliance |

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

CSA/AM Z21.86 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** CSA/AM Z21.88

**Standard title:** Vented Gas Fireplace Heaters

**NRTL:** ITS

**Laboratory:** Intertek Testing Services NA, Inc.

**Status:** currently recognized

> CSA/AM Z21.88 | Vented Gas Fireplace Heaters |

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

CSA/AM Z21.88 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** CSA/AM Z83.11

**Standard title:** Gas Food Service Equipment - Ranges and Unit Broilers

**NRTL:** ITS

**Laboratory:** Intertek Testing Services NA, Inc.

**Status:** currently recognized

> CSA/AM Z83.11 | Gas Food Service Equipment - Ranges and Unit Broilers |

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

CSA/AM Z83.11 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** CSA/AM Z83.18

**Standard title:** Direct Gas-Fired Industrial Air Heaters

**NRTL:** ITS

**Laboratory:** Intertek Testing Services NA, Inc.

**Status:** currently recognized

> CSA/AM Z83.18 | Direct Gas-Fired Industrial Air Heaters |

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

CSA/AM Z83.18 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** CSA/AM Z83.4

**Standard title:** Direct Gas-Fired Make-Up Air Heaters

**NRTL:** ITS

**Laboratory:** Intertek Testing Services NA, Inc.

**Status:** currently recognized

> CSA/AM Z83.4 | Direct Gas-Fired Make-Up Air Heaters |

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

CSA/AM Z83.4 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** CSA/AM Z83.7

**Standard title:** Gas-Fired Construction Heater

**NRTL:** ITS

**Laboratory:** Intertek Testing Services NA, Inc.

**Status:** currently recognized

> CSA/AM Z83.7 | Gas-Fired Construction Heater |

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

CSA/AM Z83.7 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** CSA/AM Z83.8

**Standard title:** Gas Unit Heaters

**NRTL:** ITS

**Laboratory:** Intertek Testing Services NA, Inc.

**Status:** currently recognized

> CSA/AM Z83.8 | Gas Unit Heaters |

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

CSA/AM Z83.8 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** FM 3260

**Standard title:** Flame Radiation Detectors for Automatic Fire Alarm Signaling

**NRTL:** ITS

**Laboratory:** Intertek Testing Services NA, Inc.

**Status:** currently recognized

> FM 3260 | Flame Radiation Detectors for Automatic Fire Alarm Signaling |

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

FM 3260 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** FM 3600

**Standard title:** Electrical Equipment for Use in Hazardous (Classified) Locations, General Requirements

**NRTL:** ITS

**Laboratory:** Intertek Testing Services NA, Inc.

**Status:** currently recognized

> FM 3600 | Electrical Equipment for Use in Hazardous (Classified) Locations, General Requirements |

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

FM 3600 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** FM 3610

**Standard title:** Examination Standard for Intrinsically Safe Apparatus and Associated Apparatus for Use in Class I, II and III, Division 1, Hazardous (Classified) Locations

**NRTL:** ITS

**Laboratory:** Intertek Testing Services NA, Inc.

**Status:** currently recognized

> FM 3610 | Examination Standard for Intrinsically Safe Apparatus and Associated Apparatus for Use in Class I, II and III, Division 1, Hazardous (Classified) Locations |

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

FM 3610 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** FM 3611

**Standard title:** Electrical Equipment for Use in Class I, Division 2; Class II, Division 2; and Class III, Division 1 and 2 Hazardous Locations

**NRTL:** ITS

**Laboratory:** Intertek Testing Services NA, Inc.

**Status:** currently recognized

> FM 3611 | Electrical Equipment for Use in Class I, Division 2; Class II, Division 2; and Class III, Division 1 and 2 Hazardous Locations |

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

FM 3611 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** FM 3615

**Standard title:** Examination Standard for Explosionproof Electrical Equipment – General Requirements

**NRTL:** ITS

**Laboratory:** Intertek Testing Services NA, Inc.

**Status:** currently recognized

> FM 3615 | Examination Standard for Explosionproof Electrical Equipment – General Requirements |

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

FM 3615 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** IEEE C37.121 (1)

**Standard title:** Unit Substations - Requirements

**NRTL:** ITS

**Laboratory:** Intertek Testing Services NA, Inc.

**Status:** currently recognized

> IEEE C37.121 (1) | Unit Substations - Requirements |

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

IEEE C37.121 (1) — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** IEEE C37.13 (1)

**Standard title:** Low Voltage AC Power Circuit Breakers Used in Enclosures

**NRTL:** ITS

**Laboratory:** Intertek Testing Services NA, Inc.

**Status:** currently recognized

> IEEE C37.13 (1) | Low Voltage AC Power Circuit Breakers Used in Enclosures |

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

IEEE C37.13 (1) — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** IEEE C37.14 (1)

**Standard title:** Low Voltage DC Power Circuit Breakers Used in Enclosures

**NRTL:** ITS

**Laboratory:** Intertek Testing Services NA, Inc.

**Status:** currently recognized

> IEEE C37.14 (1) | Low Voltage DC Power Circuit Breakers Used in Enclosures |

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

IEEE C37.14 (1) — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** IEEE C37.17 (1)

**Standard title:** Trip Devices for AC and General Purpose DC Low-Voltage Power Circuit Breakers

**NRTL:** ITS

**Laboratory:** Intertek Testing Services NA, Inc.

**Status:** currently recognized

> IEEE C37.17 (1) | Trip Devices for AC and General Purpose DC Low-Voltage Power Circuit Breakers |

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

IEEE C37.17 (1) — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** IEEE C37.18 (1)

**Standard title:** Enclosed Field Discharge Circuit Breakers for Rotating Electric Machinery

**NRTL:** ITS

**Laboratory:** Intertek Testing Services NA, Inc.

**Status:** currently recognized

> IEEE C37.18 (1) | Enclosed Field Discharge Circuit Breakers for Rotating Electric Machinery |

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

IEEE C37.18 (1) — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** IEEE C37.20.1 (1)

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

**NRTL:** ITS

**Laboratory:** Intertek Testing Services NA, Inc.

**Status:** currently recognized

> IEEE C37.20.1 (1) | Metal-Enclosed Low Voltage Power Circuit Breaker Switchgear |

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

IEEE C37.20.1 (1) — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** IEEE C37.20.2 (1)

**Standard title:** Metal-Clad and Station-Type Cubicle Switchgear

**NRTL:** ITS

**Laboratory:** Intertek Testing Services NA, Inc.

**Status:** currently recognized

> IEEE C37.20.2 (1) | Metal-Clad and Station-Type Cubicle Switchgear |

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

IEEE C37.20.2 (1) — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** IEEE C37.20.3 (1)

**Standard title:** Metal-Enclosed Interrupter Switchgear

**NRTL:** ITS

**Laboratory:** Intertek Testing Services NA, Inc.

**Status:** currently recognized

> IEEE C37.20.3 (1) | Metal-Enclosed Interrupter Switchgear |

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

IEEE C37.20.3 (1) — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** IEEE C37.21

**Standard title:** Control Switchboards

**NRTL:** ITS

**Laboratory:** Intertek Testing Services NA, Inc.

**Status:** currently recognized

> IEEE C37.21 | Control Switchboards |

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

IEEE C37.21 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** IEEE C37.23 (1)

**Standard title:** Metal Enclosed Bus and Calculating Losses in Isolated-Phase Bus

**NRTL:** ITS

**Laboratory:** Intertek Testing Services NA, Inc.

**Status:** currently recognized

> IEEE C37.23 (1) | Metal Enclosed Bus and Calculating Losses in Isolated-Phase Bus |

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

IEEE C37.23 (1) — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** IEEE C37.90 (1)

**Standard title:** Relays and Relay Systems Associated with Electric Power Apparatus

**NRTL:** ITS

**Laboratory:** Intertek Testing Services NA, Inc.

**Status:** currently recognized

> IEEE C37.90 (1) | Relays and Relay Systems Associated with Electric Power Apparatus |

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

IEEE C37.90 (1) — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** IEEE C57.12.00 (1)

**Standard title:** Distribution, Power and Regulating Transformers - General Requirements

**NRTL:** ITS

**Laboratory:** Intertek Testing Services NA, Inc.

**Status:** currently recognized

> IEEE C57.12.00 (1) | Distribution, Power and Regulating Transformers - General Requirements |

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

IEEE C57.12.00 (1) — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** IEEE C57.13 (1)

**Standard title:** Instrument Transformers - Requirements

**NRTL:** ITS

**Laboratory:** Intertek Testing Services NA, Inc.

**Status:** currently recognized

> IEEE C57.13 (1) | Instrument Transformers - Requirements |

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

IEEE C57.13 (1) — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** IEEE C62.11 (1)

**Standard title:** Metal-Oxide Surge Arresters for AC Power Circuits

**NRTL:** ITS

**Laboratory:** Intertek Testing Services NA, Inc.

**Status:** currently recognized

> IEEE C62.11 (1) | Metal-Oxide Surge Arresters for AC Power Circuits |

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

IEEE C62.11 (1) — Which OSHA-recognized labs (NRTLs) can certify to a given test standard


**Test standard:** NEMA C37.50 (1)

**Standard title:** Low-Voltage AC Power Circuit Breakers Used in Enclosures - Test Procedures

**NRTL:** ITS

**Laboratory:** Intertek Testing Services NA, Inc.

**Status:** currently recognized

> NEMA C37.50 (1) | Low-Voltage AC Power Circuit Breakers Used in Enclosures - Test Procedures |

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

NEMA C37.50 (1) — Which OSHA-recognized labs (NRTLs) can certify to a given test standard