You dont see these as much now days as many manufactures only make 2 gang 2 way light switches that serve the same purpose you just dont use the third l2 terminal on each gang however i thought we would include it just in case you come across one. How to wire two light switches with one power supply.
Well as far as light switches or gangs are concerned they can only be one of two things.
You can find out more Diagram below
Two gang two way switch diagram. 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. How to convert a 1 gang 1 way single switch to a 1 gang 2 way switch system. 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.
You can use it as a one way switch by using the com and l1 terminals only. One way light switch mechanism a one way switch has two terminals its the simplest of switch arrangements. Its either on or off thats all it does.
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. Each of the gangs or switches above in fig 2 of which there are two work like this fig 3. Basically this is just two single way switches on one face plate.
There are other methods of wiring a two gang two way switch but this is the most common way and is the easiest by far jamie vernon of online electrical services ltd. This type of light switch is used where two switches control the same light such as at the top and bottom of a stairway. A one way switch or a two way switch end of.
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