# UL 62841-2-4 — Which OSHA NRTL is recognized for which test standard: all 21 labs' scopes of recognition, cross-referenced For UL 62841-2-4, laboratory is CSA Group Testing and Certification Inc; standard title is Standard for Electric Motor-Operated Hand-Held Tools, Transportable Tools and Lawn and Garden Machinery - Safety - Part 2-4: Particular Requirements for Hand-Held Sanders and Polishers Other than Disc Type, verified against its source on 2026-08-10. - **Laboratory:** CSA Group Testing and Certification Inc. _(verified: appears in the quote below)_ - **Standard number:** UL 62841-2-4 _(verified: appears in the quote below)_ - **Standard title:** Standard for Electric Motor-Operated Hand-Held Tools, Transportable Tools and Lawn and Garden Machinery - Safety - Part 2-4: Particular Requirements for Hand-Held Sanders and Polishers Other than Disc Type _(verified: appears in the quote below)_ ## What the source says > UL 62841-2-4 | Standard for Electric Motor-Operated Hand-Held Tools, Transportable Tools and Lawn and Garden Machinery - Safety - Part 2-4: Particular Requirements for Hand-Held Sanders and Polishers Other than Disc Type | ## 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/).