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How to fit a ceiling light

How to Fit A Ceiling Light (Using UK Standard)

Lighting is essential in interior design and vital in setting the right atmosphere in a room.

Fitting a ceiling light is a simple DIY task as long as you follow the right steps. You also need to have the right tools to carry out the job quickly and professionally.

Whether you’re simply replacing an existing light fitting or fitting a brand new ceiling light, the steps are mostly the same.

Any setup should be done in accordance with the latest edition of British Standard 7671. Although not a statutory document, BS 7671 sets the standard for how electrical installations should be done in the UK and enables compliance with the law.

Tools for the job

Safety Instructions!

● For any electrical work, ensure that it is correctly isolated and accidentally switched back on. Do this either by leaving a note or locking the fuse box.

● To ensure that you have switched off the circuit, it's best to test the work area with a non-contact voltage tester or Clamp Meter.

Here are the steps for a perfect lighting setup:

Removing the old ceiling light

Note: these steps are only necessary if you’re replacing an existing ceiling light.


Firstly, remove the ceiling rose cover by turning it anticlockwise.

Take note of the existing fitting, either by taking a picture of the connection with your phone or making a note. With this, you can easily reference how everything was connected.

When dealing with wires, always remember - green & yellow is earth; brown is live, and blue is neutral.

Please note that older houses may have different colour code(s), and it’s always advisable to refer to your manual or any installation guide.


Step 2: Find out what circuit type you have: junction box or loop-in. You might not be able to tell from the design of the fitting rose. Instead, you need to count the cables connected to it. If there’s only one cable, you have junction-box wiring; if there are two or three, you have a loop-in system. This will help you to make the right connection.

Step 3: When you’ve identified the type of wiring, disconnect the flex, feed cable, and unscrew the base. (Please note; the steps above are for an existing light fitting).


Mounting a new ceiling light

Step 4: Fit the mounting bracket on the ceiling. If possible, line it up with the existing holes from the old light fitting in the ceiling. Then, screw it to be firm enough to handle the weight of your new fixture.

Note that pendant light fittings can only support a lightweight bulb and lampshade.

If you’re fitting a brand new ceiling light, ensure you have a strong fixing point. You can deploy a ceiling joist for this. Mark and drill the holes for the fixing screws and be careful not to damage any connecting cable. In some old buildings, this point can take some time to figure out.


Step 5:

Here we have the live, earth, and neutral connections needed to make the light function correctly.

You should already have the wires exposed if you are replacing an existing light. If not, strip off the wires’ end to expose the copper for the connection. Make sure that you identify which wire is which.


Step 6:

Your new light fixture should come with a connector block.

Connect the live wire to the live connector block, the neutral to the neutral connector block, and the earth to the earth connector block. Ensure connections are tight, firmly in place, and that loose strands of wire are not left out of the terminal box.

Step 7: Mount the fitting once you’ve matched the brown, blue and green and yellow wires, fasten your light fitting on to the bracket. Be careful not to trap any wire when you’re mounting the fitting on to the bracket. Tighten up the screws until they rest firmly and be sure you’ve gotten the right position.

Step 7: Mount the fitting once you’ve matched the brown, blue and green, and yellow wires, fasten your light fitting on to the bracket. Be careful not to trap any wire when you’re mounting the fitting on to the bracket. Tighten up the screws until they rest firmly, and be sure you’ve gotten the right position.

Step 9: Switch on the electricity from the switch box to test your connection.


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