Appleton Electric Explosionproof HID Fixture with Internal Ballast CPB1775GMT

3/4 INCH HUB SIZE 4 HUB(S) UL 844/1598, CSA C22.2 APPROVAL 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 PULSE START METAL HALIDE LAMP TYPE 175 W LAMP WATTAGE COPPER FREE ALUMINUM HOUSING MATERIAL ELECTROSTATICALLY APPLIED EPOXY POWDER COATED HOUSING FINISH 120/208/240/277 VAC 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 M152 SIZE 17.5 INCH DIA X 21.86 INCH H SOCKET MATERIAL PORCELAIN