Wiring A Two Way Light Switch Uk. A common c l1 and l2. Two way switching allows you to control a light from two locations.
The cable consist of a black wire a white wire and a bare copper wire. There are different ways to connect up two way lighting circuits one way is to use a twin earth cable between the two light switches. To switch from two locations youll need 2 two way switches and wire them together in a particular way.
Two way light switch mechanism.
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. In the other switch position it changes over so that com is connected to l2. 3 way light switching new cable colours 3 way light switch old cable colours 3 way light switch using a two wire control. This method can be dangerous if the neutral from the ceiling rose is connected to an alternate junction box on a different circuit.