ABI® E26 Light Bulb Socket to 2-Prong US AC Power Cord Adapter with On/Off Switch, 12 FT Cable - Amazon.com
High Quality E27 E26 Led Light Lamp Bulb Base Socket Holder To Ac Wall Outlet Plug Adapter On/off Switch Power Cord Ac110-220v - Pendant Lights - AliExpress
AC/DC Adjustable Power Adapter Supply 3-36V 60W Speed Control LED Display US | eBay
Yellow Jacket 15 Amp Extension Cord Power Light Plug Adapter 43259001 - The Home Depot
Amazon.com: Nyce Power LampCharger Light Bulb Socket Adapter, Light Socket USB Charging Station, USB Charger Ports, Tablet and Phone Charger Adapter | 60W Max (2 Pack - Lamp Charger with 2 USB
Light Socket Adapters at Lowes.com
3V 4.5V 5V 6V 7.5V 9V 12V 2A 2.5A AC / DC Adapter Adjustable Power supply Universal Power Charger for LED Light Bulb LED Strip - Price history & Review | AliExpress
EveryMarket
Leviton Socket with Outlets, White R52-01403-00W - The Home Depot