E27/E26 Light Socket Adapter, with On/Off Switch E27/E26 Wall Base Bulb Lamp Holder Converter Bendable Outlet Flexible Extender Home Use Lighting for Home Light Fixtures LED Grow Light Socket Stand - Amazon.com
Leviton 660-Watt Keyless Twin-Socket Lamp Holder Adapter R52-00128-00W - The Home Depot
E26/E27 Edison Screw to GU24 Bayonet Lamp Base Adapter Converter