Porcelain Lampholder Light Socket Medium Base 4KV Pulse Rated 600W 70046-100 | eBay
Leviton 29816-730 Glazed Porcelain Outlet Box Mount Lampholder with Pull Chain, 660W, 250V, White | Hillside Shopping Centre
Leviton Medium Base Keyless Incandescent Lamp Holder, White | The Home Depot Canada
Leviton 30 Incandescent Lampholder, Medium Base, Two Piece Porcelain; 660W-600V; Keyless; with Two 8-32 by 1/2 Inch Long Mounting Screws., Light Sockets - Amazon Canada
Leviton Porcelain Socket Medium Base, White | The Home Depot Canada
Leviton - 8875 - Unglazed Porcelain Lampholder, Medium Base, Keyless, Incandescent, Back Wired - RS
Cooper Wiring Devices - White Plastic Medium Base Receptacle Lampholder | Lamp Parts | Kent Building Supplies