Appleton GRU75A Explosion Proof Conduit Outlet Box

Appleton GRU75A Unilets explosion-proof conduit outlet box is a copper-free aluminum, epoxy powder-coated enclosure designed for threaded metal conduit in hazardous locations. It features five 3/4-inch hubs (four on the sides, one on the bottom), a 3.38-inch cover opening, and a 13.5 cubic inch internal capacity, with three plugs included. The unit is furnished with an internal ground screw and an O-ring to maintain enclosure integrity and ground continuity. It is intended for pulling or changing conduit lengths and provides access for maintenance in a threaded metal conduit system. The GRU75A is UL 886 and CSA C22.2 listed and rated for Class I (Groups C and D), Class II (Groups E, F, G), and Class III locations, with hub locations of four on the side and one on the bottom, and three plugs included.