GE Keyless Porcelain Lampholder, Medium Base, Indoor Lighting, Mount on 3-1/4” or 4” Box, 250VAC/660W, UL Listed, White, 18304, Light Sockets - Amazon Canada
Leviton Porcelain Lamp holder With Leads | The Home Depot Canada
Leviton 03152-739 Medium Base Unglazed Porcelain Lampholder Socket, Keyless, 660W, 250V, White | Canadian Tire
Keyless Porcelain Lamp Holder
Porcelain Lampholder Light Socket Medium Base 4KV Pulse Rated 600W 70046-100 | eBay
Eaton Keyless Lamp Holder - Porcelain - Medium Base - 120-Volts - 660-Watt 609-BOX | Réno-Dépôt
Leviton Lamp holder Outlet With Pull Chain | The Home Depot 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