2 Way Light Switch Wiring Diagram. 3 way light switching new cable colours 3 way light switch old cable colours 3 way light switch using a two wire control. This cable consists of three cores brown grey and black which are all Line colours and an Earth wire.
For wiring a two way switch 3 CoreEarth cable is used. The next length of the twinearth cable will run from the light to the first two way switch. The switch wiring is all the same but the switch wire cable C leads up to a different set up.
Two Way Light Switch Wiring.
If you are going to install a new one then go for three wire control methods. It reveals the parts of the circuit as streamlined shapes as well as the power and also signal links between the devices. 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. The schematic shows that the circuit is complete and the bulb is on.