HID Hazardous Location Light Fixture with Globe, Lamp Type High Pressure Sodium, Lamp Wattage 150 W, Ballast/Line Voltage 120/208/240/277 VAC at 60 Hz, Number of Hubs 5, Number of Plugs 4, Hub Size 3/4 Inch Threaded, Housing Material Die-Cast Copper-Free Aluminum, Housing Finish Epoxy Powder Coated, Globe Material Heat Resistant Prismatic Glass, Mounting Ceiling, 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, Marine, Approval CSA, Constructional Feature Dusttight, Moisture Resistant, Weatherproof