GRLB50 Conduit Outlet Box, Type GRLB, (2) 1/2" Hubs, Malleable

Conduit Outlet Box, Type GR, Explosion-Proof, Dust-Ignitionproof, Malleable Iron, Unilet, GRLB Hub Type, Internal Ground Screw and O-Ring, Internally Threaded Surface Cover with 3.38 Inch Opening, 18 Cubic Inches and (2) 1/2 Inch Threaded Hubs, For Use With Threaded Metal Conduit

Appleton explosionproof and dust-ignitionproof GR and GRF conduit outlet boxes are furnished with internal ground screw and O-ring. They are ideal for use in indoor and outdoor classified locations. These corrosion-resistant outlet boxes provide access for maintenance, allow the connection of different lengths of conduit, and for changing the direction of conduit.