EATON 659-SP 660-Watt 250-volt Medium Base Ceiling Receptacle Lamp Holder with Pull Chain, Porcelain, White Made of high-strength porcelain and mounts on 4-inch outlet boxes with breakout for 3.25-inch box mounting 2 piece, with feed through 4 screw terminals and keyless switch 660-watts and 250-volts Comes with a 2-year limited warranty