On a three-way, there’s an extra terminal, known as the “prevalent.” Power is available in to the switch within the typical, then two “traveler” wires connect the very first switch to the second within the brass terminals. Remember to always stick to proper safety precautions and seek advice from a https://smartswitchesforhome41872.dbblog.net/8108777/top-smart-wifi-power-point-secrets