Appleton Electric Explosionproof HID Fixture with Internal Ballast CPP2575480

3/4 INCH HUB SIZE 1 HUB(S) PENDANT MOUNTING CONSTANT WATTAGE AUTOTRANSFORMER BALLAST TYPE CLASS I DIV 1 AND 2 GROUP C D, CLASS II DIV 1 AND 2 GROUP E F G, CLASS III ENCLOSURE PULSE START METAL HALIDE LAMP TYPE 250 W LAMP WATTAGE COPPER FREE ALUMINUM HOUSING MATERIAL ELECTROSTATICALLY APPLIED EPOXY POWDER COATED HOUSING FINISH .75 HUB SIZE IN INCH 480 V BALLAST/LINE VOLTAGE 3/4 HUB SIZE - FRACTIONAL ALZAK ALUMINUM/FIBERGLASS REINFORCED POLYESTER REFLECTOR TYPE ELECTROSTATICALLY APPLIED EPOXY POWDER COATED COPPER FREE ALUMINUM GUARD MATERIAL PRISMATIC GLASS GLOBE MATERIAL CODE.MASTER 2[T], APPLETON[R] BRAND HUB SIZE IN INCH - UOM IN