Determining the size of a consumer unit (fuse box or distribution board) requirement depends on various factors, and it's important to follow the current edition of the electrical wiring regulations, to ensure that switchgear is suitable, and material of the unit is valid. Consult with a qualified electrician for accurate advice tailored to your specific situation.
Here are some general considerations:
Knowing the total electrical load in your home. This includes the demand from lighting, appliances, outlets, and any other electrical devices. The load is typically measured in kilowatts (kW) or amperes (A).
Applying diversity accounts for the likelihood that not all devices will be running at their maximum load simultaneously. For example, not all appliances in a home are likely to be on at the same time. This factor helps in determining a more realistic maximum load.
Consider any potential future expansions or additions to your electrical system. It's often advisable to install a consumer unit with extra capacity to accommodate future needs. Rule of thumb would be 15/20% additional.
Consumer units come in different types and configurations. The type of unit you need depends on the layout of your home and the number of circuits required.
It's highly recommended to hire a qualified electrician to assess your electrical system and determine the appropriate size for your consumer unit. They can provide accurate calculations based on your specific circumstances.
Remember that working with electricity can be dangerous, and it's crucial to prioritise safety. Always consult with a qualified and registered electrician to ensure that your electrical system is installed and configured correctly, and that it complies with the current wiring regulations and safety standards.
Our Sentinel Consumer Units are built to deliver robust, durable solutions at competitive prices - without compromising on quality. Shop our full range of boards here, including Mainswitch, RCCB, and SPD boards.
Sentinel boards come complete with top and bottom knock-outs, spring retain screws, a hinged lid and a handy accessory pack. High quality and robust packaging ensure the product is protected whilst remaining aesthetically pleasing.
Supported by a full range of quality assured devices including AFDDs, SPDs & Type A RCBOs, providing all you need to complete each job on budget, on time to the highest standard.
Retrofit options are available, so you can have the peace of mind that your installation will always be up to date with the latest regulations.
We recognise that no two jobs are the same, with each new project comes complex challenges and demands. Our team are on hand to provide the expert advice you need, understanding your project requirements to design and build you the perfect solution.
Even better, when purchasing a Sentinel Consumer Unit, you can access a 50% discount with CertOn Hub, the paperless documentation system.