Hazardous Location Enclosure Max Conduit Size 1 1/2 in Height 4.62 in Width 4.62 in Depth 4.56 in Gasket Replacement GRB-RG Interior Panel 2NWC8 Material Aluminum Mounting Type Wall Mount Finish Powder Epoxy/Polyester Cover Type Screw On with Lens Cover Lid Hinge No Series GR Mounting Brackets Yes Color Gray NEMA Rating 3 4 4X 7 (B C D) 9 (E F G) Safety Rating Class 1 Division 1 Standards UL/ CSA/ FM