Appleton Electric Explosionproof Incandescent Fixture ALB1550G

1/2 INCH HUB SIZE 4 HUB(S) UL 844, UL 1571 APPROVAL LONG BRACKET MOUNTING CLASS I DIV 1 GROUP C D, CLASS II DIV 1 AND 2 GROUP E F G, CLASS III ENCLOSURE A23/PS25 LAMP TYPE 150 TO 300 W LAMP WATTAGE COPPER FREE ALUMINUM HOUSING MATERIAL EPOXY CLAD DOUBLE COATED HOUSING FINISH .5 HUB SIZE IN INCH 3 PLUG(S) 1/2 HUB SIZE - FRACTIONAL NATURAL FINISHED ALZAK[R] ALUMINUM REFLECTOR TYPE COPPER FREE ALUMINUM GUARD MATERIAL HEAT/IMPACT RESISTANT PRISMATIC GLASS GLOBE MATERIAL EPOXY CLAD DOUBLE COATED GUARD FINISH APPLETON[R] BRAND HUB SIZE IN INCH - UOM IN A-51 MODEL