UL 60947-4-2
Low-Voltage Switchgear and Controlgear – Part 4-2: Contactors and Motor-Starters – AC Semiconductor Motor Controllers and Starters
standard by Underwriters Laboratories, 03/21/2014
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Low-Voltage Switchgear and Controlgear – Part 4-2: Contactors and Motor-Starters – AC Semiconductor Motor Controllers and Starters
standard by Underwriters Laboratories, 03/21/2014
Household and similar electrical appliances – Safety – Part 2-52: Particular requirements for oral hygiene appliances
standard by Underwriters Laboratories, 04/24/2020
Safety requirements for electrical equipment for measurement, control, and laboratory use – Part 2-081: Particular requirements for automatic and semi-automatic laboratory equipment for analysis and other purposes
standard by Underwriters Laboratories, 07/31/2019