Two Way Light Switch Wiring Diagram Uk. 3 way light switching new cable colours 3 way light switch old cable colours 3 way light switch using a two wire control. The way i show allows you to fairly easily add a second two way switch to an existing light switch by simply wiring them together in a certain way.
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. Schematic diagram of new wire colours. There are other ways of wiring a two way lighting circuit but this is by far the most common and easiest method.
A one way light switch has two terminals which is a common marked as com or c.
The power source comes from the fixture and then connects to the power terminal. 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 old wiring colours that are present in the majority of homes in the uk have been used for this diagram. A two way switch uk schematic diagram of old wire colours.
