4pcs HID G12 to E26/E27 Light Socket Adapter Halogen G12 Lamp Base to Standard Medium E26 E27 Lamp Holder Converter: Amazon.com: Tools & Home Improvement
LH0466 RX7s, 5kv pulse rated, double ended HID lamp holder/socket with front flange mounting and 18" leads
4pcs HID G12 to E26/E27 Light Socket Adapter Halogen G12 Lamp Base to Standard Medium E26 E27 Lamp Holder Converter: Amazon.com: Tools & Home Improvement
Leviton LAMP SOCKETS MED BAS 4KV HID INCN LMPHLDR WHITE BSH 70046 | Zoro
Source gu6.5 Socket GU6.5 HID halogen ceramic lampholder base porcelain lamp holder pottery socket on m.alibaba.com
4pcs HID G12 to E26/E27 Light Socket Adapter Halogen G12 Lamp Base to Standard Medium E26 E27 Lamp Holder Converter: Amazon.com: Tools & Home Improvement
GE ED17 Warm White Medium Base (e-26) Metal Halide Light Bulb in the General Purpose Light Bulbs department at Lowes.com
LH0434 G12 5kv pulse rated bipin HID lamp holder/socket with two hole mount and 9" leads
Porcelain Halogen Socket - Mini Bi Pin - 100 Watt Max. | CityLightsUSA.com