Explosive Atmospheres – Part 29-1: Gas Detectors – Performance Requirements of Detectors for Flammable Gases
standard by Underwriters Laboratories, 05/31/2019
Standard for Automatic Electrical Controls for Household and Similar Use; Part 2: Particular Requirements for Electrically Operated Door Locks
standard by Underwriters Laboratories, 05/11/2017
Terrestrial Photovoltaic (PV) Modules – Design Qualification and Type Approval – Part 2: Test procedures
standard by Underwriters Laboratories, 02/28/2017