2 Way Switch Circuit Diagram

Before you start safety first.
2 way switch circuit diagram. The three terminals are usually named com l1 and l2 but sometimes com 1 way and 2 way are also used. 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. Schematic diagram of new wire colours. To switch from two locations youll need 2 two way switches and wire them together in a particular way.
The power source comes from the fixture and then connects to the power terminal. 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. A wiring diagram is a simplified traditional photographic depiction of an electric circuit. Variety of 2 way switch wiring diagram.
In position 2 when the switch is up or off com and l2 are connected together. 3 way light switching new cable colours 3 way light switch old cable colours 3 way light switch using a two wire control. A 2 way switch wiring diagram with power feed from the switch light. If you are going to install a new one then go for three wire control method.
2 way switch 3 wire system old cable colours 2 way switch two wire control three way switching. 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. 2 gang 2 way light switch wiring diagram uk. Pin1 pin2 of the first.
A two way switch uk schematic diagram of old wire colours. 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. It is a standard single pole switch with three terminals. 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.
For simplicity the earth wire is not shown in the above. The next length of the twinearth cable will run from the light to the first two way switch. This is the first method to make a 2 way switching connection this is the old method. 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.
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. 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.