How to Install a Double or Single Switch for 2 Lights [Completed with wiring diagram]


Some of the benefits that we get by using a double switch for the installation of 2 (two) lights at home, Actually for the installation of 2 lights, we can use a single switch 1 piece for 2 lights, or 2 single switches for 2 lights, then why should you use a double switch?
  • How to install 1 single switch for 2 lights?
  • How to install 2 single switches for 2 lights?
  • How to install a double switch for 2 lights?

How to install Double Switch and Single Switch for 2 lights

You can see the installation method in the following picture:
how-to-install-double-or-single-switch
Wiring Single & Double Switch Lights
To install a double switch or a single switch is not too much difference, there is only one additional cable output to one more lamp for the installation of a double switch for 2 lights.

If on a single switch only requires the installation of two cables, 1 cable is connected to the phase cable directly from the electrical installation source to the switch input terminal, and one more cable is installed at the switch output terminal towards the light fittings.


While installing a double switch (double switch), requires 3 cables, namely:

1 cable is connected to the phase cable directly from the electrical installation source to the switch input terminal, and 2 more cables are installed at each of the switch output terminals to each of the light fittings.


Installation Double Switch for 2 lights

Double Switch is an electrical device that functions to connect or disconnect electricity to a lamp or other electrical equipment, and has 2 output terminals that can be used separately.

Actually, we can only use a single switch to turn on 2 lights, but the disadvantage is, if we use a single switch for 2 lights, when the switch is turned on then two lights will be lit simultaneously, so also when the switch is turned off, then simultaneously also the two lights will off, Or better we can use a single switch 2 pieces for 2 lights, each lamp is turned on with a single switch.


Unlike the double switch, because on the double switch there are two buttons that can be used separately to turn on or turn off each lamp.


Why do you have to use a double switch?


Of course there is a reason why we have to use the Double Switch for 2 lights, although actually using a single switch for 2 lights can also be done.


There are several reasons why we use a double switch to turn on 2 lights, namely:


1. More cost effective

Installation of a double switch to turn on 2 lights is certainly more cost effective, compared to having to use 2 single switches for 2 lights, because the price of one double switch is certainly cheaper than having to buy 2 single switches, and besides that the cable needs for double switch installations, it will be less than installing 2 single switches for 2 lights.

2. Installation Work faster and easier

Installing a double switch will be faster and easier when compared to installing 2 single switches for 2 lights.

The installation of one double switch only requires making 1 hole in the wall, while the installation of 2 single switches requires making 2 holes in the wall, Because the wiring on the double switch is less, of course the work will be faster and easier.


3. Save space

The installation of one double switch saves more space for installing switches on the wall, compared to the installation of 2 single switches.

4. Save electricity

Of course you will wonder, why using a double switch will save electricity?, Saving electricity here means that if we prefer to use a double switch compared to using a single switch for 2 lights.

Some people usually use a single switch to turn on 2 lights, of course this has a disadvantage when compared to using a double switch.


Indeed we can also use a single switch for 2 lights, without having to use a double switch, but of course this has several differences, namely:


If we use a single switch to turn on two lights, the two lights will turn on and off at the same time, so we cannot turn off or turn on one lamp, for the purpose of saving electricity.


By using a double switch for 2 lights, we can choose to light one or two lights, at certain times we can reduce electricity usage by reducing the number of lights that are lit so that it saves more electricity.



From the explanation above regarding the installation of a switch for 2 lights, you can determine which option is the best.



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