HID Light Fixture with Globe and Guard, Lamp Type Medium Base High Pressure Sodium, Lamp Wattage 150 W, Ballast/Line Voltage 480 VAC at 60 Hz, Ballast Type HPF, Number of Hubs 5, Number of Plugs 4, Hub Size 3/4 Inch Threaded, Housing Material Die-Cast Copper Free Aluminum, Housing Finish Baked Gray Epoxy Clad, Globe Material Heat Resistant Prismatic Glass, Guard Material Die-Cast Copper Free Aluminum, Guard Finish Baked Gray Epoxy Clad, Mounting Wall, Enclosure Class I Div 2 Group A B C D, Class II Div 1 and 2 Group E F G, Class III, NEMA 4X, IP66, Application Pulp and Paper Mills, Processing Plants, Chemical Plants, Oil Refineries, Foundries, Manufacturing Plants, Storage Areas, Waste and Sewage Treatment, Parking Garages, Marines and Wet Location, Approval UL 1598A/844, CSA, With Enclosed and Gasketed