On A 3-way, there’s an extra terminal, called the “typical.” Power comes in to your switch to the widespread, then two “traveler” wires join the main switch to the 2nd about the brass terminals. The wiring for just a plug, on the other hand, enables the link of electrical equipment https://smartpowerpoint80614.blogscribble.com/34878368/everything-about-wiring-to-switches