Description of Lamp Turn Knob Phenolic Socket Threaded Industrial Electrical
This is a medium base (E26) phenolic socket that includes a shade ring. It has a 3-Way interior, for 3-Way bulbs, with screw terminals that is rated 250 watts and 250 volts. The bottom cap is threaded to accept a 1/8 IP rod or nipple. This socket is UL and CSA listed. It consists of 4 pieces: a top cap, a bottom cap, an interior, and a shade ring.