2 Way Wiring Diagram. Two way switching schematic wiring diagram 3 wire control the schematic is nice and simple to visualise the principal of how a two way switch works but is little help when it coms to actually wiring this up in real life. 3 way light switching new cable colours 3 way light switch old cable colours.
Schematic diagram of new wire colours. There are several ways to wire two way switching. You will see that there is a hot wire that is then spliced through a switch and that then goes to the hot terminal of the light.
Let s assume the load you are controlling is a light.
The electricity flows from the hot wire black through the 2 way switch shown in off position and then to the light and returns through the neutral wire white. Schematic diagram of new wire colours. This is a completed circuit. 2 way light switch 3 wire system new harmonised cable colours 2 way switch 3 wire system old cable colours 2 way switch two wire control three way switching.
