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Fuse box keeps tripping: causes and what to do

Why a trip switch or RCD keeps going, how to track down the cause safely, and the signs that it's time to call an electrician.

A fuse board that trips is doing its job: it has detected something wrong and cut the power to protect you. The question is what it detected. Often it's a faulty appliance. Sometimes it's damaged wiring. Here's how to narrow it down safely.

First, which switch tripped?

Find the faulty appliance

Most nuisance tripping is caused by one appliance: kettles, washing machines, dishwashers, ovens, immersion heaters and outdoor lights are common culprits.

If it trips with everything unplugged, the fault is in the fixed wiring or a fitted item like a light, shower or cooker. That needs an electrician.

Other common causes

When to call an electrician straight away

Never hold a trip switch up, tape it, or swap parts to stop it tripping. It's there to stop a fire or an electric shock.

This is general guidance, not formal advice on your property. Rules change, so we check the current position at the free site visit and handle any applications as part of the job.

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SeeEmergency electrician Durham →SeeFuse board replacement →SeeElectrician in Durham →When you’re readyBook a free site visit →
Questions we get asked

Straight answers. No jargon.

Why does my RCD keep tripping?

Usually because electricity is leaking to earth, most often from a faulty appliance or water getting into outside lights or sockets. Unplug and test appliances one at a time to narrow it down.

Is it dangerous if my fuse box keeps tripping?

The tripping itself is protecting you. The fault behind it may be dangerous, so find the cause rather than keep resetting it.

Do I need a new fuse board?

Not necessarily. If yours is modern, the problem is probably elsewhere. If it's old with no RCD protection, replacing it is often sensible.

Can you come out for a tripping fuse board?

Yes, 24/7 for emergencies. Ring 0191 369 2405.

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