Simple 2 Way Switch Circuit Diagram

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.

Simple 2 way switch circuit diagram. This is the first method to make a 2 way switching connection this is the old method. 2 way switch 3 wire system old cable colours 2 way switch two wire control three way switching. Wiring diagram for a two way switch. Shown in the white box is a simple diagram that depicts the function of the three way switch the main thing to remember when you wire two way switches is that they are the same as wiring in a single pole switch except you must have two additional wires attaching the two switches together as illustrated in the picture.

Similarly to a simple one way lighting circuit the neutral is taken straight to the light itself while the line conductor is fed through a series of switches before reaching the light. Take a closer look at a 3 way switch wiring diagram. One way lighting circuit using in line switching. Below is the way i like to do it.

With these diagrams below it will take the guess work out of wiring. Here is our selection of two way switch circuit diagrams. The first reason this is bad is on safety grounds. A two way switch is one of the most basic parts of house wiring.

If you need to know how to wire a two way switch then this is the place to start. A two way switch uk schematic diagram of old wire colours. Let s have a look at a basic circuit diagram describing two way switch wiring. The electrical symbol indicates where power enters the circuit.

A one way light switch is quite easy to wire up. 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. Basic arrangement of the 3 way switch. 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.

This simple diagram below will give you a better understanding of what this circuit is accomplishing. Do you need to know how a two way switch works before you check out the circuit diagrams. The red wire from the feed cable is connected to the top terminal the red wire going to. Line diagram of a one way lighting circuit using in line method fig 1.

If you are going to install a new one then go for three wire control method. Schematic diagram of new wire colours. For simplicity the earth wire is not shown in the above. Before you start safety first.

3 way light switching new cable colours 3 way light switch old cable colours 3 way light switch using a two wire control. 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 cable going to the light switch is connected as follows fig 2.