On a three-way, there’s an extra terminal, called the “prevalent.” Power is available in to the switch within the typical, then two “traveler” wires join the 1st switch to the 2nd about the brass terminals. Remember to usually observe appropriate safety precautions and consult a professional Should you be Uncertain https://safe-electrical-wiring97417.blogdosaga.com/34663888/5-essential-elements-for-wiring-systems