3 Way Switch Wiring. So, to turn the light on, she carefully negotiates the stairs to the top, and flips on the switch. Not all three-way switches have these terminals placed in the same configuration, so you have to pay attention to their colors (and the instructions that come with the package) when wiring them.
All those switches, terminals and wires can confuse experienced electricians, let alone novice DIYers. Not all three-way switches have these terminals placed in the same configuration, so you have to pay attention to their colors (and the instructions that come with the package) when wiring them. Follow Dominick as he shows you step by step how to get it right.
For example, the power from the fuse box could come in at the light fixture and.
We must mark both ends with.
The colors will vary depending on whether NM cable or conduit was used. Here are some diagrams for quick reference. Is there a methodical way for me to identify which wires represent which piece of the system so I can correct the bad wiring?