UL 489B
What is the laboratory for UL 489B?
For UL 489B, laboratory is UL LLC; standard title is Molded-Case Circuit Breakers, Molded-Case Switches, and Circuit-Breaker Enclosures For Use With Photovoltaic (PV) Systems, verified against its source on 2026-09-17.
UL 489B | Molded-Case Circuit Breakers, Molded-Case Switches, and Circuit-Breaker Enclosures For Use With Photovoltaic (PV) Systems |
— osha.gov, retrieved 2026-08-10
- Laboratory
- UL LLC
- Standard number
- UL 489B verified
- Standard title
- Molded-Case Circuit Breakers, Molded-Case Switches, and Circuit-Breaker Enclosures For Use With Photovoltaic (PV) Systems verified
Source
- osha.govhttps://www.osha.gov/nationally-recognized-testing-laboratory-program/ul