Your lighting circuit must have an earth cable terminating in the switch back box and also at the switch plate if it is metal.
2 way switch wiring diagram uk.
For simplicity the earth wire is not shown in the above diagram.
2 gang 2 way light switch wiring diagram uk.
2 way switching two wire control.
In position 2 when the switch is up or off com and l2 are connected together.
The next length of the twinearth cable will run from the light to the first two way switch.
2 way switch wiring diagram two way switch two way switching.
Here we have a two way switching system that utilises two single gang two way switches and a three wire control shown in the new harmonised cable colours.
This diagram represents a two way switching arrangement.
It is essentially the same circuit diagram as the one on the top of this page but with the utilisation of modern cable arrangements.
Schematic diagram of new wire colours.
A two way switch uk schematic diagram of old wire colours.
This circuit diagram describes the wiring a two way switch in such an arrangement so that the flat twin earth and 3 core earth cables are not broken or interrupted anywhere between the components of the circuit.
It is possible to achieve a similar result using a two wire control which.
To switch from two locations youll need 2 two way switches and wire them together in a particular way.
There are other ways of wiring a two way lighting circuit but this is by far the most common and easiest method.