On A 3-way, there’s an additional terminal, known as the “common.” Power is available in for the switch within the common, then two “traveler” wires link the main switch to the next on the brass terminals. For example, the BS 1363 plug is Utilized in the United Kingdom, even though https://smart-power-points-and-sw38762.onesmablog.com/new-step-by-step-map-for-smart-light-switch-white-clear-frame-75444742