On a three-way, there’s an extra terminal, called the “popular.” Power comes in to the switch on the prevalent, then two “traveler” wires hook up the very first switch to the second to the brass terminals. ) You may also require a neutral wire, so it might be hard to https://smartwifipowerpoint97521.post-blogs.com/55612992/the-2-minute-rule-for-p-hub-system