Socket warning signs and extension leads

Do not ignore changes at a socket

Scorching, melted plastic, buzzing, crackling or a burning smell can indicate a dangerous problem. Stop using the affected socket or appliance and get professional advice. Do not touch a hot, damaged or sparking plug to investigate.

If there is smoke, fire or an unexplained burning smell that may be a hidden fire, get everyone clear and call 999. Do not attempt to extinguish an electrical fire with water.

Check the load, not just the number of plugs

An extension lead’s rating limits the combined load it can carry. Read the label and manufacturer’s instructions before connecting equipment. High-power appliances can overload a lead even when some outlets are empty.

• Do not connect one extension lead into another.
• Do not use damaged leads or tape over damaged cable.
• Follow cable-reel instructions about unwinding and permitted load.

When more sockets would help

If extension leads have become a permanent arrangement, discuss additional fixed sockets and the intended appliances with an electrician. The existing circuit and installation need consideration before work is agreed.

See our domestic electrical services. For further information, see Electrical Safety First’s socket guidance and NICEIC’s advice on socket faults.