Level 3 Diploma in Electrical Installations

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The Level 3 Diploma in Electrical installations is the industry recognised route to continuing on your journey to becoming a fully qualified electrician.

This course will provide the eligibility for you to work in the domestic, commercial and industrial sectors.

The City & Guilds 2365 Level 3 Course is the natural progression for anyone who has completed the Level 2 Diploma 2365 course or related level 2 courses. On completion of this course you will then be able to undertake the Level 3 NVQ thus becoming recognised as a fully qualified electrical engineer within the industry with the ability to apply fr JIB (Gold Card) membership.


This course has been designed to help build on your understanding and knowledge gained from the level 2 course. This programme of study covers all of the necessary elements to further develop your skills and theoretical knowledge and understanding of advanced electrical science, inspection and testing, fault finding and rectification and electrical design. The award consists of the
following elements of study:

  • Understand the fundamental principles and requirements of environmental technology systems

  • Principles of Electrical Science

  • Electrical Installations: Fault Diagnosis and Rectification

  • Electrical Installations : Inspection, Testing and Commissioning

  • Electrical Systems design

  • Career awareness in building services engineering

  • Health and safety in Building Services Engineering


On completion of this course you will have gained the necessary knowledge and skills to become confident in your ability to: 

  • Work within the industry in a safe and environmentally aware manner

  • Understand and apply knowledge of the principles of electrical science

  • Confidently find faults within an electrical installation and rectify such faults

  • Conduct safe isolation practices and inspect, test and commission electrical installations

  • Design electrical systems in accordance with the industry regulations


This course will run over 6 weeks full time (Mon - Fri, 9am - 5pm) in alternate two weekly blocks (10 weeks actual time) and will be classroom/centre based. We have decided on this '2 weeks on, 2 weeks off' approach to allow you to gain all the necessary knowledge from the sessions at the centre and then encourage you to 'digest' this information and study further at home for each unit. During these in-centre sessions we will cover all of the above aspects thoroughly as well as preparing you for the assessments for each unit. 


To gain the City and Guilds qualification, you will be required to complete a number of assessments which consists of online examinations, practical assessments, assignments and a written paper. To help you prepare for these assessments, you will be working through the course books and be provided with the necessary work pack, notes, hand-outs, guidance on assignments, examples of test questions, as well as timed mock tests and ample time and opportunities to practice and complete the practical elements. We feel this approach will help provide you with the opportunity to become fully conversant and confident with both the theoretical and practical elements of the course, giving you the optimum opportunity to perform at the required level in the assessments. 

Required Material: 

BS 7671:2018 Requirements for electrical Installations 18th Edition

On-Site Guide (BS 7671: 2018 Wiring Regulations

City and Guilds Level 3 Diploma in Electrical Installations (Buildings and Structures) 2365 Textbook ISBN No. 9780851932835 

Courses Available:

City and Guilds 2365-03 Level 3 Diploma in Electrical Installations (Buildings and Structures) 

EAL Level 3 Diploma in Electrical Installations (Buildings and Structures) 

Course Fee: £3,540

Flexible Payment Plan Available

Payment plans are available for those who prefer not to pay the full course fee in one payment. For further information on our interest free installments scheme please contact us on 0800 037 1572.