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 Plastic Keyless Lamp Holder R50-08829-CW4 - The Home Depot
Leviton 08829-742 Medium Base Outlet Box Mount Incandescent Lampholder, Keyless, 660W, 250V, White | Canadian Tire
Plastic Keyless Light Sockets at Lowes.com
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
Maxxima Keyless Porcelain Lamp Holder, One-Piece Medium Base, Outlet Box Mount, 660W (2-Pack), Tools & Home Improvement - Amazon Canada
Leviton Plastic Keyless Lamp Holder R50-08829-CW4 - The Home Depot
TP16099 | Eaton Crouse-Hinds series lamp holder | Eaton