The switch simply interrupts the live feed to the light and enables you to turn the light on and off by disconnecting the live flow. A one way light switch has two terminals which is a common marked as com or c.
Two Way Light Switching Explained
Wiring a light and switch uk. With a pair of 3 way switches either can make or break the connection that completes the circuit to the light. The switch puts power out to one wire or the other like a valve for water that goes in two directions. A switch with three wires could be used for a hall light with a switch at each end. Two way switch uk light switch a two way switch for switching a light from two different locations like in a hallway has a common c a l1 and an l2 terminal. If you are based in the usa. The l2 terminal is unused.
Ceiling rose wiring the switch connections in the ceiling rose are as shown. The common is for the live wire that supplies the input voltage to the switch. A two way light switch can also be used in in place of a one way light switch in this instance the red wire from the feed cable is connected to the common c terminal and the red wire going to the light is connected to the l1 terminal. A metal light switch must be earthed as seen below. Its possible that the switch you removed was one of the two that controls the non functioning light. Wiring a 3 way light switch is certainly more complicated than that of the more common single pole switch but you can figure it out if you follow our 3 way switch wiring diagram.
Its easy and quick to do and i cover the basics on swapping a simple switch like for like. The other terminal is marked as l1 and is the output to the light fixture. Wiring a one way switch. Just ignore the l2 terminal. How to wire a one way lighting circuit in this tutorial i show how to wire a one way light switch i show how a 1 way and 2 way light switch works i explain how to wire a ceiling rose how to. Heres my simple video on how to change a light switch in the uk.
If youre changing a light. Wiring a 3 way light switch. You can use a two way switch for one way switching. How to wire a light switch in the usa. L1 is off when l2 is on and vice versa depending on the switch position. From here it is easy to modify the 2 way switch diagram to add an intermediate switch which allows you to control a light from 3 switches or 4 or 5.
Gallery of Wiring A Light And Switch Uk
