Wiring 3 3 Way Switches. Separate the wires so that they are as far away from each other as possible. Disconnect all three wires (or four, if the outlet is grounded) from both switches.
The wiring method will depend on whether your power goes to the switch first or the light first. Learning how to wire a three-way switch can be complicated and require some patience, but this guide will walk you through running an electrical cable and connecting the two switches with step-by-step instructions. While a three-way switch is very simple to many who visit Instructables.com, it is a mystery to many others.
Disconnect all three wires (or four, if the outlet is grounded) from both switches.
For example, the power from the fuse box could come in at the light fixture and.
Notes on wiring Reduce unwanted electrical noise by using shielded coaxial cable for your longer wiring runs (for. If one of the black (hot). On the power coming in from the panel, you would connect that black wire to the one black screw.