LH0504 Stucchi 423V-Q G24q-2, GX24q-2 18w 4 pin CFL lamp holder with two hole horizontal mounting
Satco Vertical Mount 4-pin Bottom Screw Down CFL Lamp Holder Socket - 75W, White 45923915512 | eBay
LH0910 4 pin CFL E26/E27 Lamp Socket Adapter
🏠 🔌 Leviton Compact Fluorescent Lamp Holder CFL Light Sockets G24d-5 Base Bottom Screw-Down 4-Pin 57W 26725-4A5 - In Stock - Fruit Ridge Tools
E-Simpo® 6pcs 2G7 4-Pin H Lamp Fluorescent Light Holder 2G7 Base Horiztonal Single Head Tombstone Lamp Socket for LED Fluorescent Tube(2G7) - - Amazon.com