Wiring Diagram For Light Switch Uk

Old lighting circuit cable colours unharmonised new lighting circuit cable colours harmonised twin and earth cable current ratings.
Wiring diagram for light switch uk. The cable that comes from the switch to the light has a black and a red wire both of these are live wires. Single gang 1 way. The common is for the live wire that supplies the input voltage to the switch. 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.
Sometimes called a crossover switch for obvious reasons. Line diagram of a one way lighting circuit using in line method fig 1. Gangs and their ways explained. If you are based in the u s a.
In position 2 when the switch is up or off com and l2 are connected together. This is not always the case. 2 gang 2 way light switch wiring diagram uk. Wiring a one way switch.
How to wire 2 way light switch in this video we explain how two way switching works to connect a light fitting which is controlled with two light switches. The most common mistake made when changing a ceiling light is connecting black to black and red to red. 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 is quite easy to wire up.
The wires are enclosed in an outer sheet and are flat twin earth cables. Before you start safety first. To switch from two locations youll need 2 two way switches and wire them together in a particular way. The cable going to the light switch is connected as follows fig 2.
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. 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. Sometimes called a crossover switch for obvious reasons. As you can see on this diagram between every point of the installation supply switch and light there is a set of wires running.
This wiring diagram shows how all houses and most of commercial lighting installations are wired these days. The next length of the twinearth cable will run from the light to the first two way switch. If you are describing this switch to an electrician or electrical supplier you should refer to it as a 1 gang intermediate light switch. 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 black wire should have a piece of red sleeve or tape around it to indicate this. This is where you can control the same light via two switches.