What Causes an Electrical Fire?

Electrical fires are one of the most common causes of house fires in the UK, often starting silently due to faulty wiring, overloaded sockets, or damaged appliances.

At Disaster Care Capital, we’ve seen how devastating an electrical fire can be — not only destroying homes but also putting lives at risk. Many of our clients ask: “What do I do if an electrical fire starts in my home?” This guide breaks down the practical steps and preventative measures every household should know.

What Causes an Electrical Fire?

Understanding the causes is the first step to prevention. Common reasons include:

• Overloaded plug sockets and extension leads 
• Faulty or outdated wiring 
• Damaged appliances and cords 
• Incorrect use of electrical heaters 
• DIY electrical repairs gone wrong
  
  Read also: Types of fire extinguishers

How to Stop an Electrical Fire Safely

1. Never Use Water

Water conducts electricity. Pouring water on an electrical fire could cause electrocution.

2. Unplug the Appliance (If Safe to Do So)

If the fire is small and contained to an appliance, switch off the power and unplug it.

3. Use the Correct Fire Extinguisher

Only use a Class C (or CO2) fire extinguisher for electrical fires. Foam or water-based extinguishers are dangerous.

4. Cut the Power at the Consumer Unit

If the fire is spreading and it’s safe to access, switch off your home’s power supply at the fuse box.

5. Evacuate and Call Emergency Services

If the fire is beyond control, evacuate immediately and dial 999. Never take unnecessary risks.

Read also: fire restoration checklist

Preventing Electrical Fires in Your Home

• Avoid overloading plug sockets 
• Regularly check and replace damaged wires or plugs 
• Book a professional electrical safety inspection 
• Install smoke alarms and test them monthly 
• Use surge protectors for expensive electronics 

One of our clients in Brentford experienced an electrical fire caused by an overloaded extension cord powering multiple heaters. Luckily, they had a CO2 extinguisher, which prevented major damage. After the fire, Disaster Care Capital helped with smoke odour removal, fire damage clean-up, and electrical safety checks, ensuring the home was safe to live in again.

Conclusion

Knowing how to stop an electrical fire could save your home and life. Prevention through safe electrical practices is key, but if disaster strikes, quick action and professional restoration support can make all the difference.

At Disaster Care Capital, we not only restore homes after fire damage but also help families understand how to protect themselves in the future.

Read more about fire extinguisher codes

FAQs 

What extinguisher should I use on an electrical fire?

A CO2 or Class C fire extinguisher. Never use water or foam.

What are the signs of faulty wiring at home?

Frequent tripping breakers, burning smells, flickering lights, or warm outlets.

Can old appliances cause electrical fires?

Yes. Worn wires and faulty connections are major risks.

How often should I check my home’s electrics?

At least every 10 years, or sooner if you notice warning signs.

Can Disaster Care Capital help after a fire?

Yes. We provide fire restoration, smoke odour removal, and electrical safety surveys across London and the South East.