Wiring A Light And Switch Uk. This is not always the case. A one way light switch has two terminals which is a common marked as com or c.
Wiring a one way switch. With the progression of wiring standards over the years there are several electrical wiring colour coding used in homes around uk. The black wire should have a piece of red sleeve or tape around it to indicate this.
A one way light switch is quite easy to wire up.
The earth wire which is located between the live and neutral wire provides a safe escape route for leakage current from a circuit as a result of electrical fault or poor connection. Then turn on the light switch with all power off to the lighting circuits there is no power to the switch. Using the diagram above this would mean either cable 1 2 or 3. In addition the light switch will either be one gang one switch on the plate or two gang two switches on the plate or higher.
