FM 3990 · FM
For FM 3990, nrtl is FM; standard title is Less or nonflammable Liquid-Insulated Transformers; laboratory is FM Approvals; osha docket is OSHA-2007-0041; status is currently recognized, recorded from its source on 2026-10-01; source re-checked 2026-11-10.
- Test standard
- FM 3990 verified
- Standard title
- Less or nonflammable Liquid-Insulated Transformers verified
- NRTL
- FM verified
- Laboratory
- FM Approvals
- OSHA docket
- OSHA-2007-0041 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
FM 3990 | Less or nonflammable Liquid-Insulated 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-2007-0041
— all from osha.gov, retrieved 2026-10-01
Source
- osha.govhttps://www.osha.gov/nationally-recognized-testing-laboratory-program/fm