Question 1

Why do fuses keep blowing?

Accepted Answer

A fuse blows when the circuit draws more current than the fuse is rated for. Common causes include overloaded circuits (too many appliances), faulty appliances, short circuits in the wiring, or moisture ingress. If a fuse blows repeatedly, it is a sign of an underlying issue that needs professional diagnosis rather than simply replacing the fuse again.

Question 2

Can I change a fuse myself?

Accepted Answer

While changing a plug fuse is straightforward, replacing fuses in your consumer unit or fuse board is best left to a qualified electrician. Fitting the wrong rating fuse can cause overheating and fire, and there may be an underlying fault that caused the fuse to blow in the first place. We recommend calling a professional to ensure safety.

Question 3

What is the difference between an MCB and a fuse?

Accepted Answer

A traditional fuse is a single-use device that melts when overloaded and must be replaced. An MCB (Miniature Circuit Breaker) does the same job but can be reset by flipping a switch, making it faster and more convenient. If your property still uses rewirable or cartridge fuses, we can advise on upgrading to a modern consumer unit with MCBs and RCDs.

Question 4

How long does it take to change a fuse?

Accepted Answer

The fuse change itself takes only a few minutes. However, we always spend additional time testing the circuit to confirm it is safe and investigating why the fuse blew. A typical visit, including diagnosis and replacement, takes around 30 to 60 minutes.

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