On a three-way, there’s an extra terminal, called the “common.” Power comes in for the switch about the prevalent, then two “traveler” wires join the primary switch to the 2nd over the brass terminals. After both equally prevalent wires are labeled, make use of a screwdriver to loosen the terminal https://smart-switches-australia20852.laowaiblog.com/33742112/smart-power-points-and-switches-no-further-a-mystery