FM 3615
Approval Standard for Explosion-proof Electrical Equipment General Requirements
Published by FM Approvals (FM)
The CFR incorporates FM 3615 by reference, which makes the edition it names part of the regulation. The CFR requires the edition it names, which may not be the newest. To enforce any other edition, the agency must publish the change in the Federal Register.
The edition the CFR requires
FM 3615, January 2018
As the CFR lists it: “Class Number 3615, Approval Standard for Explosion-proof Electrical Equipment General Requirements, January 2018 (“FM Approvals Class Number 3615”)”
How to read it
- Where to get itFM website ↗
The web address the CFR prints for this publisher.
A free or purchased copy may not be the edition the CFR names; check it against the edition above. Every incorporated standard can also be inspected at the National Archives (NARA) and at the agency named in the section that lists it.
FM 3615 is copyrighted by its publisher; RegKnot shows its title and the editions the CFR names, not its text. Read from the eCFR's incorporation-by-reference sections, current as of October 26, 2026. The regulation text governs. All standards the CFR requires.