UL 506 · QAI
For UL 506, nrtl is QAI; standard title is Specialty Transformers; laboratory is QAI Laboratories, LTD (QAI); osha docket is OSHA-2013-0017; status is currently recognized, recorded from its source on 2026-10-01; source re-checked 2026-11-10.
- Test standard
- UL 506 verified
- Standard title
- Specialty Transformers verified
- NRTL
- QAI
- Laboratory
- QAI Laboratories, LTD (QAI)
- OSHA docket
- OSHA-2013-0017 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 506 | Specialty Transformers |
— 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-2013-0017
— all from osha.gov, retrieved 2026-10-01
Source
- osha.govhttps://www.osha.gov/nationally-recognized-testing-laboratory-program/qai