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How to change an electrical switch?

Is your electrical switch broken? Would you like to change the switches in your home to bring them up to date? You’ve never done this before and want to know how to install an electrical switch? CD Engineering, your certified lighting professionnal, will explain the process so that you can become an expert on electrical switches.

Types of electrical switches

Before you change your electrical switch, you should be aware that there are several different types of switches. To help you choose the right one for you, we’ll explain the differences between the most common types found in homes today:

First, there’s the simple switch. This is the most basic one and it is used to control a single light point (receiver) and there is just one switch (transmitter) connected to this receiver. All you have to do is change its position to switch the power supply on or off.
Secondly, there’s the twin-circuit switch. It’s the same system as for the single switch, except that here you can control two receivers, so two light points, from a single switch.
Then, there’s the two-way switch or reversing switch. This allows a light point to be controlled from two different locations. Two interconnected switches are used to switch a light on and off.
Finally, the dimmer switch. Increasingly used, the dimmer switches the light on and off and also controls the intensity of brightness in the room.

Now that you’re familiar with the most common types of switch and know which one you need, you can move on to installation.

The steps involved in order to change an electrical switch

To install a switch, you’ll need specific electrical equipment. A screwdriver, wire cutters, wire strippers and the new switch.

Before you do anything else, make sure that the electricity supply is switched off. Once that’s done, you can start by removing the plate covering the switch.

Then, if there are any fixing screws, unscrew them. The switch is connected to electrical wires that you need to disconnect. If necessary, you can cut the ends of the cables with your pliers to make them tidier.

Once you’ve done this, take your new switch and connect it properly to the existing wires.
Next, you need to fix it in place. There are two types of fixing: claw or screw.

Simply insert the switch into the space provided. Slide the claws inside. If screws are used, simply screw your switch back onto the wall.

Finally, simply replace the new cover and you’re done! Don’t forget to check that everything fits properly!

Who can change the electrical switch for you?

Depending on the switches you want to change, the work may be more difficult than for a conventional switch. That’s why it’s often better to call in a lighting professional to change your switches.

At CD Engineering we can carry out this electrical installation for you. As expert electricians since 1996, electrical switches no longer hold any secrets for us. We’ll come to your home and replace your old switches. We can also make sure that your electrical system is in compliance with Brussels’ standards and carry out any electrical renovation work. If you would like to find out more about the electrical work we carry out, please contact our team of electricians on 02 381 31 01.