Attributes . NEC: Class I, Division 2, Groups A, B, C, D; CSA Certified: Class I, Division 2, Groups A, B, C, D, Class II, Divisions 1 And 2, Groups E, F, G, Class III; UL 1598, UL 844, UL E10444, C22.2 No. 250, C22.2 No. 137, CSA 025428 . Names