2 Way Switch Circuit Diagram

2 gang 2 way light switch wiring diagram uk.

2 way switch circuit diagram. It reveals the parts of the circuit as streamlined shapes as well as the power and also signal links between the devices. Also the same wiring circuit diagram can be used using 2 way lighting or two way switches to control electrical devices from two different locations. You will see that there is a hot wire that is then spliced through a switch and that then goes to the hot terminal of the light. 2 way switch 3 wire system old cable colours 2 way switch two wire control three way switching.

A wiring diagram is a simplified traditional photographic depiction of an electric circuit. This is the first method to make a 2 way switching connection this is the old method. This should give you a good basic understanding how the 2 way switch circuit works and will help you in adding or changing a 2 way switch. If you are going to install a new one then go for three wire control method.

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. 3 way light switching new cable colours 3 way light switch old cable colours 3 way light switch using a two wire control. It is a standard single pole switch with three terminals. For simplicity the earth wire is not shown in the above.

A two way switch uk schematic diagram of old wire colours. Schematic diagram of new wire colours. A 2 way switch wiring diagram with power feed from the switch light. So now that you have a basic concept of wiring a 2 way switch let s look at the following 2 way switch diagrams to see which type of circuit scenario you have.

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. Before you start safety first. 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.

Before proceeding an important component called a two way light switch is the main element of the 2 way switching irrespective of the type of wiring used. 2 way switching two wire control i ve included this method of 2 way switching for reference because you may come across it in old homes but i don t recommend you use it. The three terminals are usually named com l1 and l2 but sometimes com 1 way and 2 way are also used. The main purpose of the two way switching circuit is to allow the devices to be switched on off independently of any switch no matter the current state of the switch.

The power source comes from the fixture and then connects to the power terminal. 2 way switch wiring diagram two way switch two way switching. To switch from two locations youll need 2 two way switches and wire them together in a particular way.