Do I need to replace my fuseboard?

Do I need a new fuseboard?

My fuseboard works so do I really need to replace it?

A fuseboard, also known as a consumer unit or distribution board, is the point where the electricity comes into your home. Its job is to control and distribute that electricity to where you need it.

Your fuseboard should be easy to find and accessible.

It’s important that you know where your fuseboard is in case you ever need to turn the electricity off in an emergency. It contains three things – the main switch, fuses and/or circuit breakers, and Residual Current Devices (RCD’s).

Modern fuse board replacements are designed to protect all circuits, they can detect the tiniest of change in the current flow and can disconnect in a fraction of a second. They go a long way to minimising the chances of potentially fatal electric shocks and electrical fires.

If your fuseboard has a wooden back, cast iron switches, or a mixture of fuses it is likely that it dates back to before the 1960s and will need to be replaced.


A) Main Switch – Allowing you to completely turn off the electricity supply to your home.

B) Residual Current Devices (RCD) these are switches that automatically turn off a circuit if it detects a problem, and instantly disconnect the electricity.

C) Circuit Breakers – these are automatic protection devices in the fusebox that switch off a circuit if they detect a fault. They are similar in size to fuses, but give more precise protection. When they ‘trip’, you can simply reset the switch. But make sure you correct the fault first.

Fuses (may be found in place of circuit breakers) – re-wirable fuses have a piece of special fuse wire running between two screws. When a fault or overload current flows through the fuse wire, it will become hot and melt. The melted fuse breaks the circuit, disconnecting the faulty circuit and keeping you safe.


If you have any worries or concerns regarding the condition of your fuseboard then please give us a call. We are happy to assess whether or not it needs replacing and if it does, give you a free, no obligation quote.

Any Fuseboard replacement must be carried out by a qualified and certified Electrician under Part P regulations.

Comments are closed.

%d bloggers like this: