Install 3 Way Switch Wiring Diagram. Traveler wires are interchangeable on each switch. Use black and red wires to connect traveler or brass colored terminals of the first switch and the second switch.
Another way to wire a three way switch is when supply comes at the switch goes to the fixture and terminates at the other switch. B the wires from the power source may enter the light fixture box first travel from there to one switch and then connect that switch to the other switch. You can create a detailed diagram like this one or create a simple outline of the layout.
Cables 14 3 or 12 3.
Traveler wires are interchangeable on each switch. Materials for installing 3 way switches include. Electrically a typical 3 way switch is a single pole double throw spdt switch. This might seem intimidating but it does not have to be.