# UL 60947-4-1A — Which OSHA NRTL is recognized for which test standard: all 21 labs' scopes of recognition, cross-referenced For UL 60947-4-1A, laboratory is UL LLC; standard title is Low-Voltage Switchgear and Controlgear - Part 4-1: Contactors and Motor-Starters-Electromechanical Contactors and Motor-Starters, verified against its source on 2026-08-10. - **Laboratory:** UL LLC _(verified: appears in the quote below)_ - **Standard number:** UL 60947-4-1A _(verified: appears in the quote below)_ - **Standard title:** Low-Voltage Switchgear and Controlgear - Part 4-1: Contactors and Motor-Starters-Electromechanical Contactors and Motor-Starters _(verified: appears in the quote below)_ ## What the source says > UL 60947-4-1A | Low-Voltage Switchgear and Controlgear - Part 4-1: Contactors and Motor-Starters-Electromechanical Contactors and Motor-Starters | ## Source - https://www.osha.gov/nationally-recognized-testing-laboratory-program/ul Last verified: 2026-08-10. Review by: 2026-12-08. Part of [Which OSHA NRTL is recognized for which test standard: all 21 labs' scopes of recognition, cross-referenced](https://referencesource.org/nrtl-recognition-scopes/).