E 40 lampholder - 16 A - 500 V~ - porcelain - one-piece unit - white - 0 601 80 - Legrand
Flush Mount Lamp Holder Two Piece Porcelain Sign Socket - Etsy Canada
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