13570 - 2-Pin Fluorescent Base Socket | LightBulbs.com
Hubbell RL325 660 W 600 Volt Medium 2-Pin Fluorescent Lampholder | Independent Electric
4pcs Professional G24D to E27 2 Pin Light Bulb Socket Adapter Light Holder - Walmart.com
E-Simpo 2pcs 2-Pin GY24d (NOT 4P,NOT G24d) to E26/E27 Lamp Base Adapter CFL PL Lamp Base to LED E26 Light Socket Adapter 21.8mm 2P in Cross (GY24d to E26: Bottom Left/Upper Right) -