On a three-way, there’s an additional terminal, called the “popular.” Power comes in for the switch about the common, then two “traveler” wires join the primary switch to the 2nd within the brass terminals. The switch is not hard to add to an present Wiz system, but has rather restricted https://smartlightswitches87418.webdesign96.com/35289895/top-latest-five-smart-power-points-and-switches-urban-news