Crouse-Hinds Explosion-proof reducing bushing of trade size 3 - 1-1/2-Inch, features feraloy iron alloy construction and electro-galvanized and aluminum acrylic paint finish. This dust-ignition-proof bushing has threaded connection and rigid/intermediate grade conduit fittings. Reducing bushing is suitable for RE and REC reducers in threaded heavy wall conduit systems. Bushing is UL listed, CSA certified and meets NEC/CEC standards.