Switches for Appliances – Part 2-5: Particular Requirements for Change-Over Selectors
standard by Underwriters Laboratories, 03/31/2020
Explosive Atmospheres – Part 29-4: Gas Detectors – Performance Requirements of Open Path Detectors for Flammable Gases
standard by Underwriters Laboratories, 08/24/2018
Electrical Apparatus for Explosive Gas Atmospheres – Part 15: Electrical Apparatus with Type of Protection 'n'
standard by Underwriters Laboratories, 04/07/2020
Explosive Atmospheres – Part 20-1: Material Characteristics for Gas and Vapour Classification – Test Methods and Data
standard by Underwriters Laboratories, 06/02/2020