Ends and seams continuously welded and ground smoothNo holes or knockoutsExternal screw clampsOil-resistant gasket and adhesiveThe wiring trough meets basic functionality requirements for moist or dirty applications, with the added feature of a hinged, screw clamp cover for easy access14 ga steel covers and bodiesButt hinges, screw clamps
nVent HOFFMAN F44T12HC F20HC Wiring Trough, 12 in L x 4 in W x 4 in H, Butt Hinged/Screw Clamp Cover, Steel