Attributes . NEC/CEC: Class I, Division 2, Groups A, B, C, D, Class I, Zone 2, Group IIC, Class II, Division 1, Group E, F, G, Class II, Division 2, Group F, G, Class III; UL 1598, 1598A, 8750, 844; CSA C22.2 No.250, C22.2 No.137, 065182 . Names