UL 539
What is the laboratory for UL 539?
For UL 539, laboratory is Intertek Testing Services NA, Inc; standard title is Single and Multiple Station Heat Alarms, verified against its source on 2026-09-17.
UL 539 | Single and Multiple Station Heat Alarms |
— osha.gov, retrieved 2026-08-10
- Laboratory
- Intertek Testing Services NA, Inc.
- Standard number
- UL 539 verified
- Standard title
- Single and Multiple Station Heat Alarms verified
Source
- osha.govhttps://www.osha.gov/nationally-recognized-testing-laboratory-program/its