oviitech 2 Outlet Light Socket to Plug Adapter, Electrical Screw in Light Bulb Socket Outlet Adapter, Lamp Holder, Dual Polarized E26 ETL, White (3PACK) - Amazon.com
Outlet to Socket Adapter,Plug-in Light Socket,Convert Outlet to Light Bulb Socket,Polarized 2-Prong Outlet to E26 E27 Screw Base Bulb Socket, 660 Watt, 125 Volt, UL Listed (4-Pack) - Amazon.com