... 514B Apply: Rigid or IMC conduit, threaded fittings 1/2'' Zinc Plated Steel Heavy - Duty Locknut/Pipe Locking Nuts The Hanysen 1 ... (in.) : 1/2-4PRODUCTEMT PIPE & FITTINGELECTRIC METALLIC TUBING, ELBOW, ZINC/ALUMINUM/STEEL CONNECTOR, COUPLING, STRAP, PULL ELBOW, LOCK NUT, SERVICE ... BOX/ EXTENSION, DUPLEX/ TOGGLE SWITCH COVERCLAMP AND HANGERCONDUIT HANGER, STRUT CLAMP, CLEVIS HANGER, SWIVEL LOOP HANGER