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IRTEC Level 3 Large Electric Vehicle Isolation and Reinstatement

This course is suitable for students aged 19 and over.

This assessment is aimed at technicians who are responsible for the safe isolation and reinstatement of a 'Large Electric Vehicles' high voltage electric drivetrain system.

The term 'Large Electric Vehicle' relates to a hybrid or full electric vehicle, for example:

  • A vehicle which exceeds 3,500kg as described in the DVSA HGV Inspection Manual
  • Category M2 or M3 vehicle described in the DVSA PSV Inspection Manual

When will I start the course and how long will it take?

The assessment is flexible and can be booked at a time to suit you. It will take half of a day to complete.

This practical assessment will be undertaken at your premises, within your workshop, using a suitable vehicle.

All customer locations, where the assessment takes place, must comply fully with health and safety regulations.

What will I study?

During the course, you will complete the following tasks:

*Correctly answer all questions asked by your assessor during a 'walk and talk' technical discussion in relation to:

  • Identifying the construction and configuration of the 'high voltage electric drive system'
  • Identifying 'high voltage electric drive system' components and describing their operation
  • Describe the risks and hazards associated with working on the vehicles 'high voltage electric drive system' components and cabling; pre, during and post work activity
    • Demonstrate the correct procedure to safely 'isolate and make safe' the 'high voltage electric drive system' of a large electric vehicle to enable a technician to work on the vehicle safely during repairs, including the correct selection and use of:
  • Personal Protective Equipment (PPE) for safe working
  • Tools, equipment and electrical measuring devices
  • Warnings and signs to secure the work area
    • Follow the correct and safe procedure to reinstate the vehicles 'high voltage electric drive system' on completion of the 'walk and talk' technical discussion with the assessor.
    • Confirm the high voltage system is fault free and the vehicle is ready to be handed over to a customer.

How is it assessed?

The candidate will be required to demonstrate their knowledge and skills regarding:

  • The operation of a large electric vehicles 'high voltage electric drive system'
  • The safe isolation and reinstatement process of the high voltage electric drive system as if repairs will be carried out to the vehicle

There are two assessment methods associated with this accreditation:

  1. Online knowledge test - 45 minute multiple choice test in which to answer 30 questions
  2. Practical task - Demonstrate the correct and safe methods, use appropriate equipment and information to isolate and reinstate a large electric vehicles high voltage driveline system

Do I need any previous qualifications to start this course?

To meet the entry requirements you must be aged 18 or above and hold a relevant nationally recognised automotive mechanical industry competence based qualification (NVQ, VCQ level 2), in addition to a minimum of 1 year's post qualification experience, or have a level of relevant industry experience. Experience could count in another sub-sector such as LCV, LCOMV or B&C in:

  • Current IRTEC Service Maintenance Technician
  • Current IRTEC Advanced Technician

In order to achieve an IRTEC licence, a technician must first pass an Under Pinning Knowledge (theory) test consisting of 30 questions. Once you have completed the Under Pinning Knowledge test you will then complete the 'High Voltage Isolation, Reinstatement and Safety' practical assessment, for the Large Electric Vehicle Technician Licence.

What are the course fees?

The total cost of this assessment is £350.

More information on course fees will be provided upon application. For further details, please visit our financial support pages.

There are a number of payment options including an interest-free payment plan with a monthly direct debit payment.

If your employer is willing to fund your course, we can help you to arrange this. For further details, please visit our financial support pages.

What can I go on to do once I have completed this course?

Once accredited, IRTEC technicians agree to abide by the IRTEC code of conduct, receive a licence card, certificate and are placed on their IRTEC technicians register. As an additional benefit, IRTEC licence holders are eligible to apply for a free Halfords Trade Card. This qualification gives candidates the confidence in working on High Voltage Vehicles.

I'm interested in this course, what should I do next?

Course bookings are managed by Waterside Training. If you would like further information or would like to apply to study this course, please call 01744 616837 or email This email address is being protected from spambots. You need JavaScript enabled to view it..

Ref: Ian Dolan/Stuart Simpkin

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