HID Hazardous Location Light Fixture with Refractor and Guard, Lamp Type Pulse Start Metal Halide, Lamp Wattage 250 W, Ballast/Line Voltage 120/208/240/277 VAC at 60 Hz, Ballast Type Pulse Start, Refractor Type NEMA Type 5, Refractor Size 8 Inch Dia, Number of Hubs 1, Hub Size 3/4 Inch Threaded, Housing Material Die-Cast Copper-Free Aluminum, Housing Finish Epoxy Powder Coated, Refractor Material Heat-Resistant Prismatic Glass, Guard Material Die-Cast Copper-Free Aluminum, Guard Finish Epoxy Powder Coated, Mounting Flexible Style Pendant, 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 Applications, Approval CSA, Constructional Feature Dusttight, Moisture Resistant, Weatherproof