E26 to E11 Socket Adapter Bulb Socket Conversion Bulb Socket Adapter Ceramic Heat Resistant 300V 3A Set of 2 Unused, Long-Term Storage Functionality Confirmed This is a socket adapter that converts the E26 base, commonly used in incandescent, fluorescent, and LED lighting, to the E11 base, often used in halogen lamps, halogen bulbs, and LEDs. It can be used with standard 100V. It's heat-resistant, so it can be used with halogen lamps that get very hot. Last stock remaining. Get yours quickly. Spotlight Ceiling Light Dichroic Halogen Other items also available