Legrand 8052CC10 Medium Base Lamp Holder, Bracket Mounted 660-watt 250-volt, porcelain, white Keyless, single Circuit porcelain lamp holder Exclusively for 19980 Fixture Made of highly-resistant insulating white porcelain Medium-Sized Base adapts to almost every space Includes removable bracket mount with leads Rated for both 660-Watts and 250-Volts