Wiring A Double Light Switch Uk. To switch from two locations you ll need 2 two way switches and wire them together in a particular way. On the side of the switch without the metal bridge connect the remaining black wires one to each screw terminal.
The next length of the twinearth cable will run from the light to the first two way switch. To wire a double switch you ll need to cut the power remove the old switch then feed and connect the wires into the double switch fixture. All earth wires should connect to the earth terminal in the switch back box and if you are using metal switches there must be a loop from this earth terminal to the one on the switch plate see note a on fig 2.
3 way light switch wiring 2 wire system this switch arrangement is basically two two way switches on a single face plate.
A two way switch has 3 terminals. 2 gang 2 way light switch wiring diagram uk. The other terminal is marked as l1 and is the output to the light fixture. In position 2 when the switch is up or off com and l2 are connected together.
