On A 3-way, there’s an additional terminal, called the “common.” Power is available in on the switch around the prevalent, then two “traveler” wires hook up the very first switch to the next on the brass terminals. When you have any considerations, Talbot suggests homeowners talk to a certified electrician https://smart-power-point99764.blog2news.com/35414493/how-much-you-need-to-expect-you-ll-pay-for-a-good-smart-light-switch-white-clear-frame