ELECTRICAL CONDUIT FITTINGS, INCLUDING PIPE ENDS, INSULATING BUSHINGS, COVERS FOR PIPE ENDS AND BUSHINGS, SERVICE ENTRANCE FITTINGS, SERVICE ENTRANCE ELBOWS, COVERS FOR OUTLET BOXES, PIPE CLAMPS, CONDUIT AND CABLE HANGERS, F-S CONDUIT FITTINGS, JUNCTION BOXES, FIXTURE HANGERS AND PARTS THEREOF, FITTINGS AND FIXTURES AND PARTS THEREOF, WALL BRACKETS, WEATHERPROOF POLE FITTINGS, AND REFLECTORS