Reducing Bushing - Haz Loc, Thread Gender Female to Male, Trade Size 1/4 in, 1/2 in, Compatible Conduit Type IMC, Threaded RMC, Compatible Conduit Trade Size 1/4 in, 1/2 in, Ends - Hazardous Fittings 1/4 in FNPT x 1/2 in MNPT, Overall Length 21/32 in, Weight 0.02 lb, Iron, Finish Chromate Coated, Powder Coated, Electroplated, Hazardous Location Rating Class I, Groups A, B, C, D, Class II Groups E, F, G, Class III, RB, For Use With IMC, Threaded Conduit, Conduit Fitting Type Reducing Bushing