NEMA 4 - NEMA 3RFlush MountingStandard Construction:1.Box of cast iron hot galvanized.2.Trim and door of hot galv. cast iron or cast bronze - specify.3.Non-removable hinges. Brass cylinder lock. Weatherproof construction.4.Neoprene and lead gasket.Available Extras:1.Drilling only. Drilling and tapping.2.Bosses for five threads.3.Interior mounting buttons.4.Lettering on door - prices on application.H8200 type boxes are flush mounted boxes for installation in the public view on concrete or stonemore structures where an especially attractive finishing box is desired. The trim and door are pleasing in appearance and can be supplied in smooth hot galvanized cast iron or cast bronze. Lettering or an insignia can be cast on each door to indicate the interior equipment or the name of the authority: "State Highway Dept." The cylinder lock prevents improper entry into box and theft of trim. Lead gasket is one piece cut full to allow for caulking and trimming.Installed in columns of bridges, lighting posts, tunnels, portals, signal pylons, toll houses, underpasses, bank buildings, H8200 boxes make excellent pull boxes and enclosures for cut outs, signal equipment, emergency lighting switches, relays and time switches. less