# UL 674 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard For UL 674, standard title is Electric Motors and Generators for Use in Hazardous (Classified) Locations; nrtl is DEKRA; laboratory is DEKRA Certification, Inc; status is currently recognized, recorded from its source on 2026-08-10. - **Test standard:** UL 674 _(verified: appears in the quote below)_ - **Standard title:** Electric Motors and Generators for Use in Hazardous (Classified) Locations _(verified: appears in the quote below)_ - **NRTL:** DEKRA _(verified: appears in the quote below)_ - **Laboratory:** DEKRA Certification, Inc. _(verified: appears in the quote below)_ - **Status:** currently recognized _(our reading, not quoted from the source)_ ## What the source says > UL 674 | Electric Motors and Generators for Use in Hazardous (Classified) Locations | ## Source - https://www.osha.gov/nationally-recognized-testing-laboratory-program/dekra 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/).