FM 3990
What is the laboratory for FM 3990?
For FM 3990, laboratory is FM Approvals; standard title is Less or nonflammable Liquid-Insulated Transformers, verified against its source on 2026-09-17.
FM 3990 | Less or nonflammable Liquid-Insulated Transformers |
— osha.gov, retrieved 2026-08-10
- Laboratory
- FM Approvals
- Standard number
- FM 3990 verified
- Standard title
- Less or nonflammable Liquid-Insulated Transformers verified
Source
- osha.govhttps://www.osha.gov/nationally-recognized-testing-laboratory-program/fm