On A 3-way, there’s an extra terminal, called the “widespread.” Power is available in to the switch within the common, then two “traveler” wires join the primary switch to the 2nd over the brass terminals. The switched Are living wire can be entirely red, Have got a piece of crimson https://smartpowerpoint54185.slypage.com/35397269/the-greatest-guide-to-smart-power-point