Appleton Electric Explosionproof HID Fixture with Internal Ballast CLB4010-480

1 INCH HUB SIZE 4 HUB(S) UL 844/1598, CSA C22.2 APPROVAL WALL BRACKET MOUNTING MULTI TAP BALLAST TYPE CLASS I DIV 1 AND 2 GROUP C D, CLASS II DIV 1 AND 2 GROUP E F G, CLASS III ENCLOSURE MOGUL BASE HIGH PRESSURE SODIUM LAMP TYPE 400 W LAMP WATTAGE COPPER FREE ALUMINUM HOUSING MATERIAL ELECTROSTATICALLY APPLIED EPOXY POWDER COATED HOUSING FINISH 480 V BALLAST/LINE VOLTAGE ALUMINUM/FIBERGLASS REINFORCED POLYESTER REFLECTOR TYPE ELECTROSTATICALLY APPLIED EPOXY POWDER COATED COPPER FREE ALUMINUM GUARD MATERIAL PRISMATIC GLASS GLOBE MATERIAL CODE.MASTER 2[TM] BRAND ANSI LAMP NUMBER S51 SIZE 17.5 INCH DIA X 24.61 INCH H SOCKET MATERIAL PORCELAIN