HID Fixture Ballast Body and Globe, Lamp Type Medium Base High Pressure Sodium, Lamp Wattage 50 W, Ballast/Line Voltage 120 V, Ballast Type HPF, Reflector Type Polyester/Porcelain, Housing Material Copper Free Aluminum, Housing Finish Epoxy Powder Coated, Globe Material Prismatic Glass, Mounting Hood, Enclosure Class I Div 2 Group A B C D, Class II Div 1 and 2 Group E F G, Class III, Approval UL 844/1598, Application Tunnel, Walkway, Bridge, Storage Facility, Processing Plant, Parking Lot, Foundry, Manufacturing Plant, Power Plant