Legrand - Pass & Seymour 276WHCC18 Phenolic Keyless Lamp Holder, Easy Installation 660W 250V, keyless, Incandescent plastic lamp holder, UL, 4 terminals, Box Adds Extra shine to your product Manufactured in China Keyless lamp holder with rugged resin base 25 volts, 66 watts Fits 3-1/4" and 4" ceiling boxes UL & CSA approved