O-Z/Gedney GUAL-50 Dust-Ignitionproof Explosionproof Conduit Outlet Box With Aluminum Cover, 1/2 in Hub, 3 in Cover Opening, Malleable Iron, Electroplated Zinc

O-Z/Gedney explosionproof, dust-ignitionproof GRA conduit outlet boxes are furnished with internal ground screw and O-ring. They provide access to conductors for pulling, splicing, maintenance and future changes and upgrades. GRA boxes allow connections of straight conduit runs, branch conduit runs and 90 deg bends.