2 Circuit 3 Terminal Lamp Socket Interior

Medium (E26) base socket interior turn-knob socket with 2 Circuit and 3 Terminals. A lamp with a 3 Terminal Socket can have both top and bottom lights on simultaneously or independently. The socket at the top controls the power to the keyless socket at the bottom of the lamp. For use with seperate keyless socket E26 Socket Interior 2-Circuit 3-terminal Rated 250W - 250V Removeable Turn Knobt Material: Phenolic RU - Recognized Component