# UL 197 — Which OSHA-recognized labs (NRTLs) can certify to a given test standard For UL 197, standard title is Commercial Electric Cooking Appliances; nrtl is NNA; laboratory is Nemko North America, Inc; status is currently recognized, recorded from its source on 2026-08-10. - **Test standard:** UL 197 _(verified: appears in the quote below)_ - **Standard title:** Commercial Electric Cooking Appliances _(verified: appears in the quote below)_ - **NRTL:** NNA - **Laboratory:** Nemko North America, Inc. _(verified: appears in the quote below)_ - **Status:** currently recognized _(our reading, not quoted from the source)_ ## What the source says > UL 197 | Commercial Electric Cooking Appliances | ## Source - https://www.osha.gov/nationally-recognized-testing-laboratory-program/nna 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/).