TORCHSTAR G4, GU5.3 Bi-Pin Socket, up to 75 Watts, Ceramic Body with Mica Covers, for LED Halogen Incandescent Light Bulbs, MR11, MR16, Pack of 5: Amazon.com: Tools & Home Improvement
DEMASLED 10 Packages GU10 Ceramic Socket Lamp Connector with Wire Length 4 inch - 10,5cm. Base Holder for Led Halogen CFL Light Dimmable - - Amazon.com
DEWENWILS Light Sensor Socket, Dusk to Dawn Sensor Socket, Light Bulb Socket for Light Fixtures, Compatible with Incandescent/CFL/LED/Halogen Bulbs, 4 Pack - - Amazon.com
SQXBK G4 Lamp Socket 10PCS White G4 Plastic Lamp Holder Plug with 20cm Cable For Halogen Lamp Crystal Lamp - - Amazon.com