# UL 61010-2-033 — Which OSHA NRTL is recognized for which test standard: all 21 labs' scopes of recognition, cross-referenced For UL 61010-2-033, laboratory is CSA Group Testing and Certification Inc; standard title is Standard for Safety Requirements for Electrical Equipment for Measurement, Control and Laboratory Use - Part 2-033: Particular Requirements for Hand-Held Multimeters for Domestic and Professional Use, Capable of Measuring Mains Voltage, verified against its source on 2026-08-10. - **Laboratory:** CSA Group Testing and Certification Inc. _(verified: appears in the quote below)_ - **Standard number:** UL 61010-2-033 _(verified: appears in the quote below)_ - **Standard title:** Standard for Safety Requirements for Electrical Equipment for Measurement, Control and Laboratory Use - Part 2-033: Particular Requirements for Hand-Held Multimeters for Domestic and Professional Use, Capable of Measuring Mains Voltage _(verified: appears in the quote below)_ ## What the source says > UL 61010-2-033 | Standard for Safety Requirements for Electrical Equipment for Measurement, Control and Laboratory Use - Part 2-033: Particular Requirements for Hand-Held Multimeters for Domestic and Professional Use, Capable of Measuring Mains Voltage | ## Source - https://www.osha.gov/nationally-recognized-testing-laboratory-program/csa 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/).