Are you Overloading your Sockets?

A Litt • 23 December 2019

Most people have extension leads in their homes, using 4-way bar adaptors to increase the number of appliances that they can plug into a wall socket.

Power strip overloaded with black chargers, tangled cords on wood surface.
However, although there is space to plug in four appliances, it does not mean it is always safe to do so.

You can avoid overloading sockets and risk of fire by following this simple advice:

Check the current rating of the extension lead before plugging appliances into it. Most are rated at 13 A, but some are rated at only 10 A or less - the rating should be clearly marked on the back or underside of the extension lead. If not, refer to the manufacturer’s instructions.

Never overload an extension lead by plugging in appliances that together will exceed the maximum current rating stated for the extension lead. This could cause the plug in the wall socket to overheat and possibly cause a fire.
  • For an indication only of the current ratings of commonly-used domestic appliances - check out our information about Amps and Watts.
  • Only use one socket extension lead per socket and never plug an extension lead into another extension lead.
  • Use a multi-way bar extension lead rather than a block adaptor, as this will put less strain on the wall socket. Some block adaptors do not have a fuse, which increases the risk of overloading and fire.
  • Consider having additional sockets installed if you regularly rely on extension leads and adaptors - and use a registered electrician to carry out the installation work.
Check regularly for the following danger signs:
  • a smell of hot plastic or burning near an appliance or socket
  • sparks or smoke coming from a plug or appliance
  • blackness or scorch marks around a socket or plug, or on an appliance
  • damaged or frayed leads
  • coloured wire inside leads showing at the plug or anywhere else
  • melted plastic on appliance casings or leads
  • fuses that blow or circuit-breakers that operate for no obvious reason
If you are in any doubt please do not hesitate to contact us!
professional electricians from 786 Electricals
by A Litt 12 September 2025
Facing a business electrical emergency in Leicester? Learn the signs, from power outages to burning smells, and why you need a professional. 786 Electricals offers 24/7 rapid response for your safety.
786 electricals your local emergency electrician in Leicester and Leicestershire
by A Litt 12 September 2025
Worried about flickering lights in your property? Our professional electricians in Leicestershire provide fast, reliable fault finding and repair services. Contact us today.
Oven cooker Installation
by A Litt 11 September 2025
Need an oven or cooker installed in Leicester or Leicestershire? Trust the qualified electricians at 786 Electricals. We serve Loughborough, Melton Mowbray, Market Harborough, and surrounding areas.
A qualified electrician from 786 Electricals in Leicester performing an EICR
by A Litt 10 September 2025
Worried about your home's wiring? Learn what an EICR is and why it's crucial for your safety. As trusted electricians in Leicester and Leicestershire, 786 Electricals provides comprehensive EICRs for homeowners and landlords.
A male electrician, wearing a dark blue 786 Electricals polo shirt and blue work trousers.
by A Litt 9 September 2025
Worried about electrical safety in your Leicester property? Get a detailed Electrical Installation Condition Report (EICR) from 786 Electricals. Our expert electricians, with a host of experience since 2010, provide comprehensive EICR testing for landlords, property managers, and homeowners across Leicestershire.
electrician service across the whole of Leicester and Leicestershire
by A Litt 7 September 2025
786 Electricals Ltd offers reliable electrical services across all LE postcodes. From emergency repairs in Leicester to EV charger installations in Market Harborough, we’ve been your local, trusted electricians since 2010.
emergency electrician 786 electricals
by A Litt 30 August 2025
Need an emergency electrician in Leicester? Seven Eight Six Electricals offers 24/7 urgent service for power cuts, fuse box tripping, and sparking sockets. Affordable rates and always here to help. Call now!
Smoke Detector Testing
by A Litt 29 August 2025
Ensure your home's safety with expert smoke detector testing in Leicester. 786 Electricals provides reliable checks, installations, and advice for homeowners & landlords. Learn why weekly tests are crucial.
An infographic titled
by A Litt 29 August 2025
BIMA warns against using secondhand consumer units and mixing components from different manufacturers. Learn why Type AC RCDs are outdated and how upgrading to a Type A RCD can protect your home from electrical fires.
EICR electrician
by A Litt 26 August 2025
Need an electrician in Leicester? 786 Electricals is a trusted, NAPIT-approved company providing safe and professional electrical services throughout Leicestershire. Your local expert for EICRs, rewiring, and more. Get a free estimate today.
Show More