# UL 1693 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard For UL 1693, standard title is Electric Radiant Heating Panels and Heating Panel Sets; nrtl is TUV; laboratory is TUV Rheinland of North America, Inc; status is currently recognized, recorded from its source on 2026-08-10. - **Test standard:** UL 1693 _(verified: appears in the quote below)_ - **Standard title:** Electric Radiant Heating Panels and Heating Panel Sets _(verified: appears in the quote below)_ - **NRTL:** TUV _(verified: appears in the quote below)_ - **Laboratory:** TUV Rheinland of North America, Inc. _(verified: appears in the quote below)_ - **Status:** currently recognized _(our reading, not quoted from the source)_ ## What the source says > UL 1693 | Electric Radiant Heating Panels and Heating Panel Sets | ## Source - https://www.osha.gov/nationally-recognized-testing-laboratory-program/tuv 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/).