3 Way Switch Wiring Diagram Power At Switch. Traveler wires are interchangeable on each switch. 3 way switch wiring diagram depicting all wires in the ceiling junction box. Diagram 3 above shows the electricity source starting at the right 3 way switch box the same that has the romex wire going to the fixture.
Traveler wires are interchangeable on each switch. With these diagrams below it will take the guess work out of wiring. Now discussing 3 way light switch wiring diagram as also discussed above the color codes of the wires as having three insulated conductors as black as hot red as switch wire or called traveler and white as common wire as also shown when light is connected to both black and white wires. In the above 3 way switch wiring diagram at each switch the black wire gets connected to the copper or black screw.
Red and blue wires link traveler terminals of both switches.
Wiring diagram 3 way switch with light at the end in this diagram the electrical source is at the first switch and the light is located at the end of the circuit. The black and red wires between sw1 and sw2 are connected to the traveler terminals. 3 way switch wiring diagram. In the ceiling light fixture electrical box one black wire from a 3 way switch gets connected to the black load wire on the light fixture. The white wire becomes the energized switch leg as indicated by using black or red electrical tape.