Two way switching allows you to control a light from two locations. Two way switches have a com terminal as well as l1 and l2 terminals.
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Wiring a two gang light switch uk. A two gang two way light switch sounds complicated but its actually the very common two switch light fixture youre probably used to seeing in your home. The l2 terminal is unused. Each of the gangs or switches above in fig 2 of which there are two work like this fig 3. Two way means that the switch has two positions on and off and two gang means that two switches are packaged together. In position 1 when the switch is down or on com and l1 are connected together just like the one way switchin position 2 when the switch is up or off com and l2 are connected together. There are two wiring options for this.
To switch from two locations youll need 2 two way switches and wire them together in a particular way. Two way switching means you can switch the same light fixture from two switches that are located in different sides of a room. When l1 is on l2 would be off. The essence of the wiring configuration is for one hot feed wire entering the switch box to be split so that it feeds both switches which in turn feed hot wires in cables that lead out to two separate light fixtures. This is very useful in a number places particularly hallways and stairs. 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.
Wiring a two way switch. It is not uncommon for a circuit to be configured so that two wall switches in a single double gang box control two different light fixtures. For you to operate both lights individually using a two gang switch you need to install a feed to the second light live neutral and earth this can be done by using the existing link between the two lights that is connected to line and neutral on the first fitting. When l1 is off l2 would be on. A two way switch has 3 terminals. The sleeved wire is not a neutral but a switched live to you fitting.
Wiring a two way switch. A commonc l1 and l2. A metal light switch must be earthed as seen below.
Gallery of Wiring A Two Gang Light Switch Uk
