This variant of the product fulfills the requirements of: UL 121201, 9th Ed., Issue Date: 2017-09-15, Revision Date: 2021-04-01 and CSA C22.2 NO. 213-17, 3rd Ed., Issue Date: 2017-09-15, Revision Date: 2021-04-01 for use in Hazardous Locations Class, 1 Division 2.