Leviton 49875-740 Medium Base Outlet Box Mount Incandescent Lampholder, Keyless, 660W, 250V, White | Canadian Tire
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
Medium Base Lipped Porcelain Light Socket | 3 Wire Grounding
Leviton Part # 008-49875-002 - Leviton 600-Watt 250-Volt White Glazed Porcelain Outlet Box Mount Incandescent Lampholder - Replacement Parts - Home Depot Pro