E27 Plug Bulb Holder Lights Fixture Base Adapter Lamp Socket Lighting Parts Tool | eBay
Light Bulb Socket Adaptor, LED Lamp Holder Wall Plug, E27 Bulb Socket Mount Holder Adapter with Switch Control, Two-Hole Three-Hole Socket That Can Be Freely Converted(US Plug) : Amazon.ca: Tools & Home Improvement
2Pcs 2 Pin Parallel Adapter with Light/Bulb Holder and Plug Socket, Multicolour - Variation B22 Pin Type