Light Two Way Switch Connection Diagram

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.

Light two way switch connection diagram. To construct this setup we need 2 two way switches here common terminal on one switch is connected with phase line and another switch common terminal connected to the lamp load always prefer switch connection in the phase line. Here is our selection of two way switch circuit diagrams. 2 way light switch circuit wiring diagrams. 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.

Two way switch lighting circuit diagrams. Schematic diagram of new wire colours. 2 way light switch 3 wire system new harmonised cable colours 2 way switch 3 wire system old cable colours 2 way switch two wire control three way switching. 2 way switch 3 wire.

The first reason this is bad is on safety grounds. 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. If you need to know how to wire a two way switch then this is the place to start. 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.

Below is the way i like to do it. The electrical symbol indicates where power enters the circuit. It is a standard single pole switch with three terminals. A 2 way switch wiring diagram with power feed from the switch light.

The three terminals are usually named com l1 and l2 but sometimes com 1 way and 2 way are also used. 3 way light switching new cable colours 3 way light switch old cable colours 3 way light switch using a two wire control. Two way switch can be operated from any of the switch independently means whatever be the position of other switch on off you can control the light with other switch. 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. There are two methods of making 2 way switching connection one is 2 wire control and another is 3 wire control. The power source comes from the fixture and then connects to the power terminal.