Hubs for PVC Coated Metal Conduit, Steel, Trade Size 1 in, Overall Length 2 21/32 in, Finish PVC Coated, Insulated Yes, Compatible Conduit Type RMC, Conduit Fitting Type Hub, Standards NEC/CEC: Class I, Division 2, Class II, Division 1 & 2, Class III, Division 1 & 2, Class I, Zone 1, AEx e II, Class I, Zone 1, Ex e II, NEMA 2, 3, 3R, 4, 4x, 11 and 12, UL 514B, For Use With RMC, For Conduit Type RMC, Overall Height 2 21/32 in, Color Black, Compatible Conduit Trade Size 1 in