SOCKET: 4-PIECE with ON/OFF TURN KNOB and UNO THREADS, GROUNDED

This is a 4-piece heavy brass socket with an on/off turn knob and UNO threads available in brass and black, dark antique brass, and nickel finishes.  The ground wire goes through a hole in the underside of the cap. It wire goes through the hole into the ground outlet protruding from the outside of the cap. The ground outlet has a set screw to hold the ground wire inside it. Attributes UL: UL-listed, 250V, 660W Made in: China Height: 2.25" Type: medium base Connector Size: 1/8-27 IPS