Actual Connection Diagram Of 3 Way Switch. Yellow for traveler terminals. With conventional wiring the common wire from one switch connects to line the common wire from the other switch connects to the load lights.
The same way all combinations aswell black tip fixture controlled by two switches. In the above 3 way switch wiring diagram at each switch the black wire gets connected to the copper or black screw. And this is what you will need for 3 way switch wiring.
In the above 3 way switch wiring diagram at each switch the black wire gets connected to the copper or black screw.
The black and red wires between sw1 and sw2 are connected to the traveler terminals. This might seem intimidating but it does not have to be. In the above 3 way switch wiring diagram at each switch the black wire gets connected to the copper or black screw. A 3 wire nm connects the traveler terminals of the first and second 3 way switch together.
