How do you wire 3 way switches?

3:0011:49The Best 3 Way Switch Explanation Ever! - YouTubeYouTubeStart of suggested clipEnd of suggested clipIf the switch has a termination connection. For it but like I say the important thing to rememberMoreIf the switch has a termination connection. For it but like I say the important thing to remember the common screw the power in going to the black common on this 3-way switch red.

Which wire is common on 3-way switch?

Black wire Black wire: This is a hot wire that carries electricity from the power source to the first switch in a typical 3-way setup. Its also called the “common wire” or the “line wire.” Unless the breaker is off, this black wire is always hot.