Attributes . Class 1, Zone 1 And 2 IIA And IIB, UL File Number E10444, CSA C22.2 No. 25, C22.2 No. 30, CSA 013017 Certified, Class I, Division 1 And 2, Groups B, C, D Class II, Division 1 And 2, Groups E, F, G Class III . Names