On a three-way, there’s an extra terminal, known as the “common.” Power is available in towards the switch within the widespread, then two “traveler” wires connect the very first switch to the next on the brass terminals. When the equipment is effective as anticipated, the wiring is productive. Nonetheless, if https://smart-switches-for-home21852.blog-kids.com/35032594/details-fiction-and-smart-light-switches