On A 3-way, there’s an extra terminal, known as the “typical.” Power comes in on the switch about the common, then two “traveler” wires hook up the 1st switch to the 2nd around the brass terminals. The switch is not hard to include to an present Wiz system, but has https://smartpowerpoints77541.blogtov.com/15294712/top-safe-electrical-wiring-secrets