NEC/CEC: Class I, Division 2, Groups B, C, D, Zone 2, Class II, Division 1 And 2, Groups E, F, G, Class III; UL 508, UL 698, UL 1203, UL 1604, ISA 12.12.01, CSA Certified: C22.2 No. 14-M, C22.2 No. 213-M, C22.2 No. 25, C22.2 No. 30, C/US UL E10449, E81751