GE Porcelain Lampholder with Pull Chain, Medium Base, Indoor Lighting, Mount on 3-1/4” or 4” Box, 250VAC/660W, UL Listed, White, 18303, Light Sockets - Amazon Canada
Eaton White Porcelain Ceiling Light Holder | Home Hardware
Flush Mount Lamp Holder Two Piece Porcelain Sign Socket - Etsy Canada
Leviton Porcelain Lamp holder With Leads | The Home Depot Canada
Porcelain Lampholder Light Socket Medium Base 4KV Pulse Rated 600W 70046-100 | eBay
Porcelain Light Bulb Holder - Canac
EATON Wiring 604-SP 660-Watt 250-volt Medium Base Ceiling Receptacle Lamp Holder, Porcelain, White, Light Sockets - Amazon Canada
Lamp Holders and Sockets, Medium Base, Keyless, 600W 250V, 4 Terminal, Porcelain | RL8804 | Hubbell
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
Legrand-Pass & Seymour 9880CC10 Medium Base Lamp Holder Porcelain Surface Amount Type, Two Piece Construction, Light Sockets - Amazon Canada
Porcelain lamp holder E27, white|Juheko -Textile Cables and Lighting Accessories