On A 3-way, there’s an extra terminal, called the “widespread.” Power comes in to the switch about the frequent, then two “traveler” wires link the first switch to the next around the brass terminals. The switched Reside wire might be totally pink, Have a very piece of pink sleeving above https://wiringtolights16849.xzblogs.com/75424105/wiring-to-lights-an-overview