2 Way Lighting Circuit Diagram Uk

Two way switching wiring diagram two way light switching 3 wire system new harmonised cable colours showing switch and ceiling rose wiring.

2 way lighting circuit diagram uk. As you see in the schematic diagram of 2 way switch circuit below you will find that the phase live is connected with the common of the first 2 way switch. Switches are shown as dotted rectangles. 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. 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.

It is a modern way of wiring which reduces breaks in the cable and makes the work much easier and faster. Schematic diagram of new wire colours. Pin1 pin2 of the first. This method can be dangerous if the neutral from the ceiling rose is connected to an alternate junction box on a different circuit.

2 way switching means having two or more switches in different locations to control one lamp they are wired so that operation of either switch will control the light. To switch from two locations youll need 2 two way switches and wire them together in a particular way. L and n indicate the supply. This is the first method to make a 2 way switching connection this is the old method.

These diagrams show various methods of one two and multiple way switching. The next length of the twinearth cable will run from the light to the first two way switch. Below is the way i like to do it. In position 2 when the switch is up or off com and l2 are connected together.

Say we are working on the light upstairs so we turn off the upstairs lighting circuit thinking we are safe wrong the live is picked up downstairs and there are still live conductors feeding the switch upstairs and if someone flipped the downstairs switch in this diagram that live feed would extend all the way to the lamp too you re fried. 2 gang 2 way light switch wiring diagram uk. 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. Two way switching 2 wires.

There are several ways to wire two way switching. If you are going to install a new one then go for three wire control method. The first reason this is bad is on safety grounds. This wiring diagram shows how all houses and most of commercial lighting installations are wired these days.

Earth wires are not shown. Two way light switch using 2 core cable 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.