Leviton 10035) Porcelain E-26 Medium Base Keyless Lamp Socket with Spring Center Contact 1/8ips
QSSI - CPLH40 ) PORCELAIN MEDIUM BASE LAMP HOLDER / SOCKET STARTING — The Lighting Factory Inc
White E26 Medium Base Porcelain Lamp Socket with 24' Leads and 200 Degree Wire Glazed Porcelain Lampholder - China Bulb Holder, Ceiling Lamp Holder | Made-in-China.com
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E26 E27 Medium Base Ceramic Lampholder Socket - Porcelain - 660W-250V Maximum - Walmart.com
Pass & Seymour Incandescent Lamp Holder, Medium Base at Tractor Supply Co.
Keyless Porcelain Lamp Holder | Medium (E26) Base | 1/4 IPS
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E26 E27 Ceramic Light Socket, Helunsi Medium Base Porcelain Lamp Holder, Ceramic Light Bulb Socket with 12" Wire Lead, Medium Base Lampholder for Incandescent Led Light Bulbs Replacement (Pack of 4) -
TWDRTDD Porcelain Keyless Socket,E26 Medium Base Porcelain Lamp Holder Socket with Two Hole Flanged Mounting and 4" Leads - Amazon.com
LAMP HOLDER (BLACK BAKELITE), 4 HOLES, GASKET, MEDIUM BASE E27, PAULUHN, INX4000
Legrand-Pass & Seymour 9880CC10 Medium Base Lamp Holder Porcelain Surface Amount Type, Two Piece Construction - Light Sockets - Amazon.com