what is the red wire in a 3 way switch

what is the red wire in a 3 way switch. There are some references to what is the red wire in a 3 way switch in this article. If you are looking for what is the red wire in a 3 way switch you've came to the right place. We have posts about what is the red wire in a 3 way switch. You can check it out below.

Showing posts matching the search for what is the red wire in a 3 way switch