Three Way Switch Common. The issue I have run into though is that there appears to be two common wires on one of the switches? One screw, known as the common, is a darker color than.
Our two-step process explains how to properly replace a three-way switch. A threeway switch has power at one switch and a current carrying conductor attached to the load on. A three-way switch is built and wired a little differently than a conventional single-pole light switch.
My three way switch has the dark screw (common) across from a traveler and the other traveler at the bottom of the.
There are three screw terminals on the body of the switch, in addition to the green grounding screw.
Common wire screw - This is located on the left side of the switch, and is a different color than the two traveler terminals. Three-way switches make it easy to control the same light from multiple rooms. Im currently trying to upgrade two three-way light switches in the kitchen to some new smart three-way switches.