Fitting a Consumer Unit

Dec 22, 2023

Are you looking to upgrade or replace the consumer unit in your residential or commercial setting? Look no further! is here to provide you with a comprehensive guide on fitting a consumer unit. As experts in lighting fixtures & equipment and electricians, we have the knowledge and experience to help you with your electrical needs.

Why is Fitting a Consumer Unit Important?

A consumer unit, also known as a fuse box or distribution board, is a crucial component of any electrical system. It is responsible for distributing electricity safely and efficiently to various circuits within a building. Fitting a consumer unit ensures that your electrical supply is properly protected and meets the necessary wiring regulations.

As electrical technology advances and our energy requirements increase, it is essential to have a consumer unit that can handle the demand. Upgrading your consumer unit not only improves the safety of your electrical system but also allows for better control and protection against electrical faults.

The Installation Process

Fitting a consumer unit involves several steps to ensure a successful installation. It is important to follow installation guidelines and adhere to wiring regulations to guarantee safety and compliance. Let's take a look at the step-by-step process:

Step 1: Assess Your Electrical Requirements

Before beginning the installation, assess your electrical requirements to determine the size and type of consumer unit you need. Consider factors such as the number of circuits, types of appliances, and the overall electrical load of your property. It may be helpful to consult with a qualified electrician to ensure you choose the right consumer unit for your needs.

Step 2: Gather the Necessary Tools and Materials

Once you have determined the specifications for your consumer unit, gather the necessary tools and materials. This may include a consumer unit enclosure, circuit breakers, switches, fuses, wiring, cable clips, and electrical connectors. Ensuring you have everything ready beforehand will expedite the installation process.

Step 3: Turn off the Electrical Supply

Prior to any electrical work, it is crucial to turn off the electrical supply at the main switch or fuse. This will prevent any accidents or electrical shocks during the installation process. Always prioritize safety and take necessary precautions.

Step 4: Disconnect the Old Consumer Unit

To begin fitting the new consumer unit, you will need to disconnect the old unit. Carefully remove any connections, ensuring that you label and organize the cables for easier reconnection. Take note of the specific locations of the earth terminal, neutral terminal, and live terminal.

Step 5: Install the New Consumer Unit

Place the new consumer unit enclosure appropriately, ensuring it meets the required regulations for spacing and accessibility. Begin connecting the cables, referring to the manufacturer's instructions for proper connection points. It is crucial to follow the guidelines, as any errors can lead to potential safety hazards.

Step 6: Connect the Circuit Breakers

Once the consumer unit is securely installed, it's time to connect the circuit breakers. These devices protect individual circuits from overloading and tripping. Carefully insert the circuit breakers into their designated slots within the consumer unit, ensuring they fit securely.

Step 7: Test and Verify

After completing the installation, it is essential to test and verify the functionality of the consumer unit. Turn on the electrical supply at the main switch and check that all circuits are working correctly. It may be helpful to use a socket outlet tester or consult with a qualified electrician to conduct thorough tests.

Professional Assistance

While fitting a consumer unit can be a feasible DIY project for those with electrical knowledge and expertise, it is always recommended to seek professional assistance. The team at is here to provide you with reliable and efficient electrical services, including consumer unit installations.

Our qualified electricians have years of experience in the field and can ensure a safe and compliant installation. Don't hesitate to reach out to us for assistance and guidance with fitting a consumer unit in your residential or commercial setting.


Fitting a consumer unit is an essential task when it comes to ensuring the safety and efficiency of your electrical system. By upgrading or replacing your old consumer unit, you can better protect your property against electrical faults and meet the necessary wiring regulations., experts in lighting fixtures & equipment and electricians, are here to guide you through the process of fitting a consumer unit. Our comprehensive step-by-step guide, along with professional assistance, can help you achieve a successful installation.

Remember to prioritize safety and adhere to wiring regulations during the installation process. Whether you choose to embark on a DIY project or seek professional help, always make informed decisions and consult with experts when needed.

For any electrical needs, including fitting a consumer unit, trust the expertise of Contact us today to schedule a consultation and ensure a safe and efficient electrical system for your property.