Appleton Mercmaster III 400 KP Series HID Luminaire Without Guard, Fixture Type: Pendant (Rigid Mounting), Lamp Type: 250 WTT Mogul High Pressure Sodium, Lamp Wattage: 250 WTT, Voltage Rating: 120/208/240/277 V, Number Of Lamps: 1, Material: Cast Copperfree (Less Than 4/10 Of 1 PCT Copper) Aluminum Mounting Hoods, Ballast Bodies, Stainless Steel Hardware And Latch Assemblies, Fixture Wattage: 295 WTT, Amperage Rating: 0.85 AMP Starting, 1.1 AMP Operating At 277 V, Length: 17.06 IN, Width: 17.06 IN, Height: 21-1/4 IN, Housing Finish: Epoxy Powder Coat, Housing Material: Cast Copperfree (Less Than 4/10 Of 1 PCT Copper) Aluminum, Ambient Temperature Range: 65 DEG C, Temperature Range: 125 DEG C Supply Wire, Ballast Type: Constant Wattage Autotransformer (C.W.A), Ballast Quantity: 1, Number Of Hubs: 1, Hub Size: 3/4 IN NPT, Reflector/Refractor: NEMA II Prismatic Glass Refractor, Frequency Rating: 60 HZ, Enclosure: NEMA 4X, IP66, Standard: Class I, Division 2, Groups A, B, C, D, Class I, Zone 2, AEx nA nR IIC (Z2), Class I, Zone 2, Ex nR IIC (Z) - CSA Certified, Class I, Zone 2, AEx nR IIC (ZB), Class II, Division 1 And 2, Groups E, F, G, Class III, Simultaneous Exposure (Class I, Division 2/Class II, Division 1), UL Listed: E10444, 1598, 1598A, 844, 60079-0, 60079-15, For Use In Marine And Wet Locations, Areas Where Flammable Gases And Vapors Or Combustible Dusts Are Present Under Conditions Defined By The National Electrical Code , Non-Hazardous Locations Where Severe Weather Conditions, Excessive Moisture, Dirt, Dust Or Corrosive Atmospheres Are Encountered, Pulp And Paper Mills, Processing Plants, Chemical Plants, Oil Refineries, Foundries, Manufacturing Plants, Storage Areas, Waste And Sewage Treatment