mendr.techGuides
Electrical

How to Use an Extension Lead Safely

Quick Answer

Check the rating, do not overload, and fully unwind the cable.

How to troubleshoot How to Use an Extension Lead Safely

Extension leads are useful but can be dangerous if used incorrectly. This guide covers safe use of extension leads.

Step-by-Step Fix

  1. Check the extension lead is rated for your appliance.
  2. Do not plug high-wattage appliances into extension leads.
  3. Fully unwind the cable to prevent overheating.
  4. Do not run extension leads under carpets.
  5. Check the cable for damage before use.
  6. Use a surge protector for sensitive equipment.

Common Error Codes

CodeMeaningResolution
OverheatingOverloaded or coiled cableUnwind the cable and reduce the load.
No powerTripped RCDCheck the RCD.

Frequently Asked Questions

Can I plug an extension lead into an extension lead?

No, it can cause overheating and fire.

What is the maximum load for an extension lead?

Check the rating - typically 13A or 3120W.