Appleton Electric Explosionproof HID Fixture with Internal Ballast CLB4075-MT

3/4 INCH HUB SIZE 4 HUB(S) UL 844, UL 1572 APPROVAL WALL BRACKET MOUNTING CONSTANT WATTAGE AUTOTRANSFORMER, MULTI TAP BALLAST TYPE CLASS I DIV 1 AND 2 GROUP C D, CLASS II DIV 1 GROUP E, CLASS II DIV 1 AND 2 GROUP F G, CLASS III ENCLOSURE MOGUL BASE HIGH PRESSURE SODIUM LAMP TYPE 400 W LAMP WATTAGE COPPER FREE ALUMINUM HOUSING MATERIAL EPOXY POWDER COATED HOUSING FINISH .75 HUB SIZE IN INCH 120/208/240/277 V BALLAST/LINE VOLTAGE 3/4 HUB SIZE - FRACTIONAL PRISMATIC GLASS GLOBE MATERIAL CODE-MASTER 2[T] BRAND ANSI LAMP NUMBER S51 APPLICATION CHEMICAL, PETROCHEMICAL, WET LOCATION SIZE 17.5 INCH WIDTH X 23.61 INCH HEIGHT SOCKET MATERIAL PORCELAIN HUB SIZE IN INCH - UOM IN