UL 393
What is the laboratory for UL 393?
For UL 393, laboratory is UL LLC; standard title is Indicating Pressure Gauges for Fire Protection Service, verified against its source on 2026-09-17.
UL 393 | Indicating Pressure Gauges for Fire Protection Service |
— osha.gov, retrieved 2026-08-10
- Laboratory
- UL LLC
- Standard number
- UL 393 verified
- Standard title
- Indicating Pressure Gauges for Fire Protection Service verified
Source
- osha.govhttps://www.osha.gov/nationally-recognized-testing-laboratory-program/ul