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Level 3 Diploma in Electrical Installation

electrical student working on switchboard on the wall.

Course overview

The Level 3 Diploma in Electrical Installation is designed for students who want to build on their existing skills and take the next step towards becoming a qualified electrician.



This course develops your understanding of more advanced electrical systems, combining technical knowledge with practical experience. You’ll learn how to design, install, test and maintain electrical systems, preparing you for real industry scenarios.



Recognised by employers, this qualification helps you stand out and shows you’re ready to progress into an apprenticeship, further training, or employment within the electrical industry. It’s an important step on the journey to becoming a fully qualified electrician.

Course information

On this course, you’ll build on your existing knowledge and develop advanced skills needed to succeed in the electrical industry.


You will learn about:

• Health and safety in electrical installation – Learn how to work safely with electrical systems, following industry regulations to protect yourself and others on-site.

• Electrical science and principles – Develop a deeper understanding of how electrical systems work, including key scientific concepts that underpin installation and design.

• Electrical installation theory – Explore how electrical systems are designed and installed in real environments, giving you the knowledge to plan and complete jobs effectively.

• Inspection, testing and commissioning – Learn how to check electrical installations are safe, meet regulations, and are working correctly before being handed over.

• Fault diagnosis and repair – Build problem-solving skills to identify issues within electrical systems and carry out effective repairs.

• Electrical systems design – Understand how to design electrical installations for different buildings, considering efficiency, safety, and performance.

• Renewable energy technologies – Gain an introduction to modern, sustainable technologies, helping you understand how the industry is evolving and preparing you for future opportunities.


Throughout the course, you’ll also develop your practical installation skills in our well-equipped workshops, giving you the confidence and experience needed for the workplace.