2 Outlet Light Socket Adapter, E26 Bulb Socket to Outlet Splitter,Converts Medium Screw Socket into a Socket with Two outlets,Polarized Outlet.UL Listed,White (2-Pack) - Amazon.com
2pcs Screw E12 to E26 Adapter Chandelier Light Socket, EEEkit E12 to Medium Socket E26 Converter Bulb Base Adapter Converter - Walmart.com
1pcs E12 to MR16 G4 G5.3 LED Halogen Base Socket Lamp Holder Adapter Converter | eBay
Onite 2pcs E26 Light Bulb Socket to 2 Polarized Outlet Adapter for Retrofitting Garage Porch Light Shop Closet LED String Light, Christmas Lights, Security Cameras, Handy Socket Plugs - Amazon.com
E26/E27/B22 Light Socket to Plug Adapter, 2/3 Prong Light Socket Outlet for Patio, Garage, Porch(1 Pack) - Amazon.com
DiCUNO E26 to E12 Socket Adapter, Standard Medium to Candelabra Base LED Bulb Converter, 0~120V Max 200W and 165℃ Heat-Resistant E26 Medium Adapter, 6-Pack - Amazon.com