Porcelain lamp holder E27, white|Juheko -Textile Cables and Lighting Accessories
GE Porcelain Lampholder with Outlet and Pull Chain, Medium Base, Grounded Plug, Indoor Lighting, 3-Prong, Mount on 3-1/4” or 4” Box, UL Listed, White, 18305, Light Sockets - Amazon Canada
EATON Wiring 604-SP 660-Watt 250-volt Medium Base Ceiling Receptacle Lamp Holder, Porcelain, White, Light Sockets - Amazon Canada
TWDRTDD Porcelain Keyless Socket,E26 Medium Base Porcelain Lamp Holder Socket with Two Hole Flanged Mounting and 4" Leads : Amazon.ca: Tools & Home Improvement