# FM 3615 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard For FM 3615, standard title is Examination Standard for Explosionproof Electrical Equipment – General Requirements; nrtl is ITS; laboratory is Intertek Testing Services NA, Inc; status is currently recognized, recorded from its source on 2026-08-10. - **Test standard:** FM 3615 _(verified: appears in the quote below)_ - **Standard title:** Examination Standard for Explosionproof Electrical Equipment – General Requirements _(verified: appears in the quote below)_ - **NRTL:** ITS _(verified: appears in the quote below)_ - **Laboratory:** Intertek Testing Services NA, Inc. _(verified: appears in the quote below)_ - **Status:** currently recognized _(our reading, not quoted from the source)_ ## What the source says > FM 3615 | Examination Standard for Explosionproof Electrical Equipment – General Requirements | ## Source - https://www.osha.gov/nationally-recognized-testing-laboratory-program/its Last verified: 2026-08-10. Review by: 2026-11-08. Part of [Which OSHA-recognized labs (NRTLs) can certify to a given test standard](https://referencesource.org/nrtl-recognized-test-standards/).