Checking the electrics
It makes sense to get into the habit of checking the electrical appliances, plugs and leads in your home on a regular basis. This can simply consist of a quick look when you switch them on and off, or clean around them. Look out for scorch marks on the plugs or anything that might indicate overheating. Check that cables are intact, in good condition and not kinked. If you see or even hear anything unusual, then unplug the appliance and consult a qualified electrician.
If an appliance stops working, you can run the following checks to see if the problem is caused by a fault with the plug or cable
Unplug the appliance and check whether the cable is securely attached to it, and that it is smooth and undamaged along its length.
Next, look at the plug. It should have BS1363 stamped on it to show that it complies with the British Standard. Is the plug damaged in any way? If there is any discolouration or distortion, this can indicate overheating. If you can open the plug, check that the fuse is the correct rating, not discoloured and that it conforms to BS1362. To replace the fuse, make sure that the new one is the correct rating and that it is securely clipped into its housing. The plug should be wired as follows:
Brown: live
Blue: neutral
Green and yellow: earth
The screws securing the wires and cable should be firmly done up.
If all is well with the plug and cable but the appliance still doesn’t function properly, then consult a qualified electrician.