This method is commonly used now days as it is efficient than the two wire control system. It is essentially the same circuit diagram as the one on the top of this page but with the utilisation of modern cable arrangements.
Lighting Circuit Diagrams For 1 2 And 3 Way Switching
Two way wiring diagram uk. Wiring a 3 way light switch. To switch from two locations youll need 2 two way switches and wire them together in a particular way. A two way switchuk schematic diagram of old wire colours. 2 gang 2 way light switch wiring diagram uk. Two way lighting circuit using three core earth cable. Below is the way i like to do it.
Fig 2 below shows how we achieve this configuration. Two way switching schematic wiring diagram 3 wire control the schematic is nice and simple to visualise the principal of how a two way switch works but is little help when it coms to actually wiring this up in real life. This is the new method to make a 2 way switching connection as it is slightly different from the two wire control method. The old wiring colours that are present in the majority of homes in the uk have been used for this diagram. In position 2 when the switch is up or off com and l2 are connected together. Wiring a 3 way light switch is certainly more complicated than that of the more common single pole switch but you can figure it out if you follow our 3 way switch wiring diagram.
There are several ways to wire two way switching. This circuit diagram describes the wiring a two way switch in such an arrangement so that the flat twinearth and 3 coreearth cables are not broken or interrupted anywhere between the components of the circuit. Line diagram of a two way lighting circuit using junction boxes fig 1. Where 0 represents the off condition and 1 represents the on condition. There are other ways of wiring a two way lighting circuit but this is by far the most common and easiest method. 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.
The next length of the twinearth cable will run from the light to the first two way switch. With a pair of 3 way switches either can make or break the connection that completes the circuit to the light. Schematic diagram of new wire colours. 3 way light switch. This diagram represents a two way switching arrangement. The junction box should be wired as shown below.
How to connect 2 way switch wiring using three wire control. Explanation of above picture.