On A 3-way, there’s an additional terminal, known as the “frequent.” Power comes in towards the switch within the common, then two “traveler” wires hook up the primary switch to the second about the brass terminals. DIYers shouldn't, even so, consider running new wiring by themselves—that’s a task for an https://p-hubsystem54441.blogminds.com/new-step-by-step-map-for-smart-light-switch-white-clear-frame-31837614