On A 3-way, there’s an extra terminal, known as the “widespread.” Power is available in to your switch within the common, then two “traveler” wires link the 1st switch to the 2nd around the brass terminals. Some smart switches have a dimmer operate, to help you regulate the extent of https://milowlcpd.blogrelation.com/41074316/top-safe-electrical-wiring-secrets