FeaturesExternal cover threads ON body protecting conductors from damage during pullingNo pinching of conductors during cover installationSix different hub arrangementsTaper threaded hubs to provide ground continuitySmooth integral hub bushing protects conductor insulation when pullingInternally threaded cover openings for additional wiring roomFlat overlapping threaded covers furnished with boxesInternal green ground screw #10 standard in all boxesAct as pull and splice boxesInterconnect lengths of conduitChange conduit directionProvide access to conductors for maintenance and future system changesAct as mounting outlets for fixturesAct as sealing fittings