Remember to check your plugs regularly !
19th December 2011
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Checking a plug

It’s a good idea to check plugs regularly. Plugs and their cables can be damaged with use. Here’s how to check the common, square-pin 13-amp plug used in all modern appliances such as hairdryers, vacuum cleaners and microwaves.

With the plug removed from the socket, check the cable.

  • Is the cable securely attached to the appliance and the plug?
  • Is the cable cut, nicked or damaged in any way?

There should be no joints and no repairs with insulating tape.

Then check the plug

  • Look for cracks or damage on the casing.
  • Look for signs of overheating, such as discoloured casing or cable.
  • Check the plug meets British Standard BS 1363 – it will be marked on the back.
  • Check that the cable is firmly clamped into the plug and no coloured wires are showing.

For plugs that did not come fitted to the appliance, check that the cable is connected correctly:

Remove the plug from the socket, and remove the cover.


  • The brown wire goes to live (L).
  • The blue wire goes to neutral (N).
  • The green-and-yellow wire goes to earth (E).
  • The cord clamp holds the cable securely and that both of the screws are tight.
  • The screws holding the three wires are tight.
  • The fuse is the correct size and meets British Standard BS 1362 – see the manufacturer's instructions if you are not sure what fuse to use.
  • The fuse clips securely into its holder. It should not be loose and there should be no signs of overheating.

Replace the cover securely.

For more information call your local electricians, ETM Ltd on 01922 710014

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