For incandescent, fluorescent, LED, mercury vapor and sodium bulbs. Includes: 6" leads, 1/2" diameter neck and hardware, 3-wire. Plastic housing. 15 amp, 1800 watts maximum load tungsten. 1100 VA, 9.1 amp maximum load ballasted. Wire-in connection. 4.25" x 2.1" x 2.1". UL Listed.