RAB Mercmaster III 250 Explosionproof Lighting Fixture, Series: KP Series, 480 VAC, 189 W Fixture, 0.5 A Starting, 0.47 A Operating, PS-25 Lamp, 300 W Lamp, Mogul Lamp Base Type, 1 Lamps, HX-HPF Ballast, Prismatic Glass Lens, 16000 Lumens, NEMA 4X/IP66, Ceiling Mount, Aluminum Housing, Gray Housing, 15 in H x 7-1/4 in W,