Ensure plugs fit securely into sockets.

The plug casing should be free from cracks.

Look out for burn marks or signs of overheating.

The cable should be tightly secured within the plug.

Pins should not be bent.

Remove any cardboard labels from the bottom of the plug.

Plugs should not rattle.

Check that leads are free from cuts, fraying, or any other damage.

Avoid using two- or three-way adaptors.

When using an extension lead, ensure it is fully uncoiled.

Ensure sockets are free from cracks or visible damage.

Look for burn marks or signs of overheating.

Make sure sockets are securely attached to the wall.

Ensure the switch is functioning properly.

Inspect light fittings or lamp holders for visible damage, scorching, or corrosion.

Examine downlighters and their surroundings for signs of overheating, such as curled labels, discoloration, or scorching.