Below is the way i like to do it.
2 way switch diagram wiring.
The electricity flows from the hot wire black through the 2 way switch shown in off position and then to the light and returns through the neutral wire white.
There are several ways to wire two way switching.
This is a completed circuit.
I ve included this method of 2 way switching for reference because you may come.
The electrical symbol indicates where power enters the circuit.
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.
This diagram illustrates wiring for one switch to control 2 or more lights.
In position 2 when the switch is up or off com and l2 are connected together.
Here is a two way switching solution posted for one of our users who had run.
2 gang 2 way light switch wiring diagram uk.
Light wiring diagrams two way switching power feed via switch.
2 way switching two wire control.
Coming to the com terminals the com terminal of the first switch is connected to phase or line or live.
The hot and neutral terminals on each fixture are spliced with a pigtail to the circuit wires which then continue on to the next light.
Pin1 of both the switches are connected with the phase or live wire and pin2 of both the switches are connected with the one end of the lamp.
The power source comes from the fixture and then connects to the power terminal.
L1 terminals of both the switches are connected together and l2 terminals of both the switches are also connected together.
Downside s of the two wire control.
To switch from two locations youll need 2 two way switches and wire them together in a particular way.
As you can see in the schematic diagram of 2 way switch circuit below the common of both the switches are short circuited.
A two way switch uk schematic diagram of old wire colours.
Do you need to know how a two way switch works before you check out the circuit diagrams.
By wiring a 2 way switch the circuit below shows the basic concept of electricity flow to the load.
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.
Let s assume the load you are controlling is a light.
If you need to know how to wire a two way switch then this is the place to start.
Here is our selection of two way switch circuit diagrams.
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.
The source is at sw1 and 2 wire cable runs from there to the fixtures.
Coming to the actual wiring the following schematic shows the implementation of a two wire control two 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.
The other end of the lamp is connected with neutral line of ac power supply.
