Hubbell Electrical Products Explosionproof Incandescent Fixture EMI20X2G

3/4 INCH HUB SIZE UL, CSA APPROVAL 3/4 INCH CEILING MOUNTING NEMA 3/4/4X, CLASS IDIV1 AND 2 GROUP C D, CLASS I ZONES 1 AND 2 GROUP IIB LLA, CLASS IIDIV1 AND 2 GROUP E F G, CLASS IIIDIV1 AND 2 ENCLOSURE PS25 LAMP TYPE 300 W LAMP WATTAGE COPPER FREE ALUMINUM DIE-CAST HOUSING MATERIAL ELECTROSTATICALLY APPLIED BAKED POWDER EPOXY HOUSING FINISH 25 DEGREE ANGLED STANDARD DOME REFLECTOR TYPE OVERALL DIMENSION 7-7/16 INCH W X 14-5/16 INCH H BASE TYPE MEDIUM APPLICATION MARINE, HAZARDOUS LOCATIONS