UL 497A · TUVAM
For UL 497A, nrtl is TUVAM; standard title is Secondary Protectors for Communication Circuits; laboratory is TÜV SÜD America Inc; osha docket is OSHA-2007-0043; status is currently recognized, recorded from its source on 2026-10-01; source re-checked 2026-11-10.
- Test standard
- UL 497A verified
- Standard title
- Secondary Protectors for Communication Circuits verified
- NRTL
- TUVAM
- Laboratory
- TÜV SÜD America Inc.
- OSHA docket
- OSHA-2007-0043 verified
- Status
- currently recognized our reading
Values marked our reading are our classification of what the source says — the source does not print them in those words. The quote below is the evidence for each one; judge it yourself.
What the source says
UL 497A | Secondary Protectors for Communication Circuits |
— osha.gov, retrieved 2026-10-01
Where each value comes from
The value above is stated away from the sentence quoted with the answer, so the passage that states it is shown here too.
OSHA docket
Docket Number: OSHA-2007-0043
— all from osha.gov, retrieved 2026-10-01
Source
- osha.govhttps://www.osha.gov/nationally-recognized-testing-laboratory-program/tuvam