Line diagram of a two way lighting circuit using junction boxes fig 1. These diagrams show various methods of one two and multiple way switching.
2 Way Switch Wiring Diagram Light Wiring
2 way lighting circuit wiring diagram uk. 2 way switching means having two or more switches in different locations to control one lampthey are wired so that operation of either switch will control the light. The 3 way lighting circuit which is often referred to as the two way and intermediate lighting circuit is a common arrangement usually found in large houses. Two way light switch using 2 core cable. Explanation of above picture. Schematic diagram of new wire colours. For simplicity the earth wire is not shown in the above diagram.
If you are familiar with wiring a two way lighting circuit then the addition of an extra switching point will not be much of a problem. A two way switchuk schematic diagram of old wire colours. This method can be dangerous if the neutral from the ceiling rose is connected to an alternate junction box on a different circuit. Basic multi point radial lighting circuit. Whether it is the switching of a light from two different places inside a domestic dwelling or switching a series of lights in a commercial environment two way lighting circuits provide a cost effective and easy solution. Two way lighting circuit using three core earth cable.
L and n indicate the supply. How to wire a 2 way lighting circuit in this video i show how to wire a light that can be turned on and off with two different switches. 2 way light switch 3 wire system new harmonised cable colours 2 way switch 3 wire system old cable colours. I use simple electrical diagrams to show how to do the. Earth wires are not shown. When wiring a two way lighting circuit you will need two two way light switches as well as some three core and earth cable to use as a strapper.
The junction box should be wired as shown below. Switches are shown as dotted rectangles. 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. The most basic circuit with only two wires at the switch. Two way switching is the most common requirement for many household and commercial lighting solutions. Multi point radial lighting circuit new cable colours multi point radial lighting circuit old cable colours old multi point radial lighting diagram using junction boxes.
This arrangement is often found in stairways with one switch upstairs and one switch downstairs or in long hallways with a switch at either end. Uk domestic lighting circuits loop in at. Two way switching 2 wires. Your lighting circuit must have an earth cable terminating in the switch back box and also at the switch plate if it is metal.