Brass Light Socket – Plated – 3-Terminal – 2 Circuit – Turn Knob – Medium Base Socket – 1/8 IPS – PLT 90-421-Quality Guarantee

Description

Medium Base Complete Socket.

Two circuit system controls another socket wired onto the third terminal.

Aluminum Shell Incandescent Lampholder bright gold finish

1/8 IPS Tapped Bushing on bottom cap.

Not the same as a 3-way socket, this socket is for controlling 2 light bulbs with one socket.