Surface MountingNEMA 4 - NEMA 3R - Complies with U/L Std. 50Third Party Certification: UL File E 189027Cast Iron - Hot Dipped GalvanizedStandard Construction:1.Box and overlap cover of cast iron.2.Stainless steel machine screws.3.Neoprene gasket.Available Extras:1.Drilling only. Drilling and tapping.2.Bosses for five threads. Special gaskets.3.Mounting lugs.4.Interior mounting buttons tapped blind.H2200 type boxes are equipped with overlapping covers to meet Underwriters requirements on unflanged boxes. They can be safely installed indoors or out-of-doors as the closure of the cover and gasket makes a weatherproof and dust-tight joint.Conduit entrances should be ordered with bosses of five threads to be rain-tight and dust-tight. Mounting lugs are desirable for out-of-doors installations.Recommended for enclosing many types of electrical devices as well as junction and pull service. Interior mounting buttons, tapped blind, can be located on specified centers for panels, terminal blocks, cut-outs and like equipment.All boxes that are made in cast iron can also be made in cast aluminum – just add “AL” to the end of the part number to indicate cast aluminum.