Harbor Breeze Plastic Pull Chain Lamp Socket, Off-white in the Light Sockets department at Lowes.com
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Amazon.com: Power Gear Lamp Socket with Push ON/OFF, Medium Base, For Floor and Table Lamps, DIY Project, UL Listed, Brushed Gold, 52205 : Industrial & Scientific
Brass Plated Finish Harp Height Lamp Wiring Kit with Push-Thru Socket 30552P6 | B&P Lamp Supply