# UL 50E — Which OSHA-recognized labs (NRTLs) can certify to a given test standard For UL 50E, standard title is Safety Enclosures for Electrical Equipment, Environmental Considerations; nrtl is TUVAM; laboratory is TÜV SÜD America Inc; status is currently recognized, recorded from its source on 2026-08-10. - **Test standard:** UL 50E _(verified: appears in the quote below)_ - **Standard title:** Safety Enclosures for Electrical Equipment, Environmental Considerations _(verified: appears in the quote below)_ - **NRTL:** TUVAM _(verified: appears in the quote below)_ - **Laboratory:** TÜV SÜD America Inc. _(verified: appears in the quote below)_ - **Status:** currently recognized _(our reading, not quoted from the source)_ ## What the source says > UL 50E | Safety Enclosures for Electrical Equipment, Environmental Considerations | ## Source - https://www.osha.gov/nationally-recognized-testing-laboratory-program/tuvam 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/).