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City & Guilds Level 3 Electrical Installation Diploma

Online + 8 In-centre Days £1875 inc. VAT

This level 3 electrician course is for those who are wanting to develop their existing electrical knowledge and skills whilst working towards becoming a qualified electrician.

This course is designed to build on the skills you’ve gained during the level 2 diploma, providing you with advanced training to bridge the gap towards the Level 3 NVQ 2357 qualification.

When booking this course, you will have the option of paying for the course in full (£1875 inc. VAT) or reserving your space by paying a deposit (£1125 inc. VAT).

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Qualification

On successful completion of the course, you will achieve the City and Guilds 2365-03 Level 3 Diploma in Electrical Installations (Buildings and Structures)

Entry requirements

You need to complete our City & Guilds Level 2 Electrical Installation Diploma to enrol on this course.

Location

Hassocks, East Sussex (accommodation packages available)

Delivery Method

Combination of in centre, practical training and online learning

Level 3 electrician course overview

This advanced City and Guilds course builds on the foundation of the Level 2 diploma. It’s designed to further develop your skills and deepen your understanding of the electrical industry, preparing you for the next steps in becoming a fully qualified electrician.

Throughout the course, you will further develop your knowledge of Health & Safety and electrical science, whilst exploring new areas such as environmental technology systems and fault-finding.

How will you learn

The 2365 Level 3 Diploma has a mix of both electrical installation theory and practical learning, combining online study at home with hands-on training at our centre.

Online learning

The following subjects will be covered in the online portion of the course:

– Understanding the fundamental principles and requirements of environmental technology systems

– Principles of Electrical Science

– Fault Diagnosis and Rectification

– Inspection, Testing and Commissioning

– Electrical Systems Design

– Career Awareness in Building Services Engineering

This section of the course can be completed in your own time giving you the flexibility to fit it around your other commitments. When purchasing your course, you will gain instant access to the online course, whether paying in full or placing a deposit.

In centre learning

You have 8-day in-person learning in the centre, concentrating primarily on these more practical aspects.

You will spend your time carrying out testing, inspection and commissioning in our purpose-built workshops, fault-finding various types of circuits and electrical equipment in our purpose-built house and looking in detail at some of the key principles of electrical science.

Before attending your in-centre training we strongly recommend working through the following online modules; ‘Principles of Electrical Science’, ‘Fault Diagnosis and Rectification’, ‘Inspection, Testing and Commissioning’ and ‘Career Awareness in Building Services Engineering’.

Our City & Guilds Level 3 Electrical Installation Diploma includes the following:


  • Health & Safety in Building Services Engineering
  • 301 - Fundamental Principles & Requirements of Environmental Technology Systems
  • 302 - Principles of Electrical Science
  • 303 - Fault Diagnosis & Rectification
  • 304 - Inspection, Testing & Commissioning
  • 305 - Electrical Systems Design
  • 308 - Career Awareness
Read more

Choose your in-centre training date

07th July 2025 £1875 (inc VAT)
11th August 2025 £1875 (inc VAT)
22nd September 2025 £1875 (inc VAT)
20th October 2025 £1875 (inc VAT)
17th November 2025 £1875 (inc VAT)

When booking, you have the choice to pay for the course in full or reserve your space by paying a deposit. The balance is due 21 days before your in-centre training date

Why choose EC4U icon

Why choose EC4U?

– Excellent pass rates – average 90% +

– Competitive price with no hidden fees  

– State of the art training facility – we provide all the necessary tools and materials for you

– Small, professional and friendly classes – more focused learning

– Quality training

City & Guilds Level 3 Electrical Installation Diploma

Course duration

The level 3 electrical installation course consists of online study from home, alongside in-person training at our centre. The in-centre training will consist of 8 days (Monday – Thursday for 2 consecutive weeks), and the core course times will be 08:15 AM – 4:45 PM. Please call us on 01444 872145 for further information.

City & Guilds Level 3 Electrical Installation Diploma

The exams

During this course, you will complete a variety of different modules and assessments, which are as follows:

301 – Fundamental Principles & Requirements of Environmental Technology Systems

Exam: An online multiple choice exam consisting of 27 questions, which you have 75 minutes to complete.

302 – Principles of Electrical Science

Exam: A written question paper followed by a practical activity. This assessment will take 2 hours and 45 minutes.

303 – Fault Diagnosis & Rectification

Exam 1: An online multiple-choice exam consisting of 30 questions, which you have 60 minutes to complete.

Exam 2: A practical assessment where you will demonstrate your knowledge of fault diagnosis and rectification. The assessment will take a total time of 3 hours.

304 – Inspection, Testing & Commissioning

Exam 1: An online multiple choice exam consisting of 35 questions, which you have 80 minutes to complete.

Exam 2: A practical assessment where you will demonstrate your knowledge of initial verification followed by a short answer question paper. The assessment will take a total time of 5 hours.

305 – Electrical Systems Design

Exam 1: A written assignment where you will demonstrate your knowledge of electrical system design. The assessment has no time limit.

Exam 2: An open book online multiple choice exam consisting of 30 questions, which you have 70 minutes to complete.

308 – Career Awareness

Exam: A written question paper followed by a practical activity. This assessment will take 2 hours and 45 minutes.

You’ll complete the online assessments for this part of the course utilising City and Guilds remote invigilation service, allowing you to sit the assessment at home (please note Mac OS, Chrome OS and iOS devices are not supported by the remote invigilation service).

City & Guilds Level 3 Electrical Installation Diploma

Course book

All customers enrolling in the C&G Level 3 2365 are required to purchase the following publication:

The City & Guilds Textbook: Book 2 Electrical Installations for the Level 3 Apprenticeship (5357), Level 3 Advanced Technical Diploma (8202) & Level 3 Diploma (2365) – ISBN 978-1398361607

Additionally, you will need the books you previously purchased for your initial training.

City & Guilds Level 3 Electrical Installation Diploma

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