Attributes . Class I, Division 2, Groups A, B, C, D; Class I, Zone 2, AEx nA nR IIC (Z2); Class I, Zone 2, Ex nR IIC (Z); Class I, Zone 2, AEx nR IIC (ZB); Class II, Division 1 And 2, Groups E, F, G; Class III; UL 1598A, 60079-15, 844; CSA LR25428 . Names