Wiring Diagram For Light Switch Uk

From here it is easy to modify the 2 way switch diagram to add an intermediate switch which allows you to control a light from 3 switches or 4 or 5.

Wiring diagram for light switch uk. Uk so this fig 2 is what we call an intermediate switch so called because it is used in between two x 2 way switches to achieve 3 way switching clarified below under multiway switching. 2 gang 2 way light switch wiring diagram uk. The most common mistake made when changing a ceiling light is connecting black to black and red to red. The cable going to the light switch is connected as follows fig 2.

This is where you can control the same light via two switches. The other terminal is marked as l1 and is the output to the light fixture. Sometimes called a crossover switch for obvious reasons. This is not always the case.

Before you start safety first. Line diagram of a one way lighting circuit using in line method fig 1. Uk so this fig 2 is what we call an intermediate switch so called because it is used in between two x 2 way switches to achieve 3 way switching clarified below under multiway switching. A one way light switch has two terminals which is a common marked as com or c.

If you are describing this switch to an electrician or electrical supplier you should refer to it as a 1 gang intermediate light switch. Gangs and their ways explained. The wires are enclosed in an outer sheet and are flat twin earth cables. This wiring diagram shows how all houses and most of commercial lighting installations are wired these days.

How to wire a light switch in the u s a. As you can see on this diagram between every point of the installation supply switch and light there is a set of wires running. The black wire should have a piece of red sleeve or tape around it to indicate this. Wiring a one way switch.

In position 2 when the switch is up or off com and l2 are connected together. Single gang 1 way. A one way light switch is quite easy to wire up. To switch from two locations youll need 2 two way switches and wire them together in a particular way.

If you are based in the u s a. If you are describing this switch to an electrician or electrical supplier you should refer to it as a 1 gang intermediate light switch. The common is for the live wire that supplies the input voltage to the switch. Old lighting circuit cable colours unharmonised new lighting circuit cable colours harmonised twin and earth cable current ratings.

The red wire from the feed cable is connected to the top terminal the red wire going to the light is connected to the bottom terminal the. The cable that comes from the switch to the light has a black and a red wire both of these are live wires.