On a three-way, there’s an additional terminal, known as the “frequent.” Power comes in to your switch to the common, then two “traveler” wires connect the main switch to the second on the brass terminals. It is always suggested to consult a professional electrician for guidance in selecting and setting https://smart-switches-for-home45332.techionblog.com/34807879/the-greatest-guide-to-smart-power-point