UL 60079-31
Explosive Atmospheres – Part 31: Equipment Dust Ignition Protection by Enclosure "t"
standard by Underwriters Laboratories, 06/12/2015
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UL 62841-2-2
Electric Motor-Operated Hand-Held Tools, Transportable Tools and Lawn and Garden Machinery – Safety – Part 2-2: Particular Requirements for Hand-Held Screwdrivers and Impact Wrenches
standard by Underwriters Laboratories, 02/26/2016
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