UL 1971
What is the laboratory for UL 1971?
For UL 1971, laboratory is Intertek Testing Services NA, Inc; standard title is Signaling Devices for the Hearing Impaired, verified against its source on 2026-09-17.
UL 1971 | Signaling Devices for the Hearing Impaired |
— osha.gov, retrieved 2026-08-10
- Laboratory
- Intertek Testing Services NA, Inc.
- Standard number
- UL 1971 verified
- Standard title
- Signaling Devices for the Hearing Impaired verified
Source
- osha.govhttps://www.osha.gov/nationally-recognized-testing-laboratory-program/its