# UL 1480 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard For UL 1480, standard title is Speakers for Fire Protective Signaling Systems; nrtl is FM; laboratory is FM Approvals; status is currently recognized, recorded from its source on 2026-08-10. - **Test standard:** UL 1480 _(verified: appears in the quote below)_ - **Standard title:** Speakers for Fire Protective Signaling Systems _(verified: appears in the quote below)_ - **NRTL:** FM _(verified: appears in the quote below)_ - **Laboratory:** FM Approvals _(verified: appears in the quote below)_ - **Status:** currently recognized _(our reading, not quoted from the source)_ ## What the source says > UL 1480 | Speakers for Fire Protective Signaling Systems | ## Source - https://www.osha.gov/nationally-recognized-testing-laboratory-program/fm 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/).