electrical - Safely use a bare light socket - Home Improvement Stack Exchange
Leviton Socket with Outlets, White R52-01403-00W - The Home Depot
Security Camera Light Socket Plug Adapter | Ellipse Security
Flush Mount Lamp Holder Two Piece Porcelain Sign Socket - Etsy Hong Kong
Power Gear 3-Way Lamp Socket, Medium Base, Turn for Low-Medium-High Light Settings, For Floor and Table Lamps, DIY Project, UL Listed, Brushed Gold, 54372 - Light Sockets - Amazon.com
Light Socket | Lamp Socket Components | Socket Replacement Parts
Light Bulb Sockets
2 Outlet Light Socket Adapter, E26 Bulb Socket to Outlet Splitter,Converts Medium Screw Socket into a Socket with Two outlets,Polarized Outlet,with Pull Chain Switch. UL Listed, White (2-Pack) - Amazon.com
Legrand 60-Watt Porcelain Pull Chain Ceiling Socket, White in the Light Sockets department at Lowes.com
Power Gear Twin Light Socket Adapter, Ivory
File:Light bulb socket E26 three way.jpg - Wikimedia Commons