... accepted 4)size:1/2"~2" Steel Outlet Box Cover and Gasket Standard: UL standardMaterial: ... Outlet boxSize: 1/2'' - 2''PRODUCTEMT PIPE & FITTINGELECTRIC METALLIC TUBING, ELBOW, ZINC/ALUMINUM/STEEL CONNECTOR, COUPLING, STRAP, PULL ELBOW, LOCK NUT, SERVICE ... GROUND BUSHING, THREADED HUBFLEXIBLE CONDUIT & FITTINGGALVANIZED/ PVC COATED/ LIQUIDTIGHT FLEXIBLE STEEL CONDUIT, COMBINATION CONNECTOR, LIQUID TIGHT ...