High-voltage work is inherently hazardous and any team working with a range of marine high voltage systems must be on guard against incidents. Therefore a full understanding of safe procedures is essential.

MTCS corporate high voltage training courses serve as a globally recognised standard for the ROV industry.

Course Overview

Over the duration of the 2-day course, your team will learn industry best practice and learn how to satisfy the requirements of IMCA R005 and other legislation. Most importantly, they’ll develop a detailed appreciation and understanding of high voltage safety.

On the first day, they’ll be immersed in the theoretical side of the high voltage course, where the second day includes hands-on activities in a suitably equipped workshop.

In this workshop, the candidate will sit a Practical Assessment, something which requires them to carry out an electrical isolation. During this exercise they will have to demonstrate they can safely follow your established company procedures.

Candidate Requirements

Suitable course candidates will have some technical expertise and knowledge of ROV systems. Any level of skill above that can still benefit from this course.

Course Modules

  • Safety with High Voltage
  • System Components
  • Risk & Injury
  • Safe Systems of Work
  • Hazardous Areas


The theory test involves both multiple choice and short written answers. With a completed practical assessment, this forms the Assessment of Knowledge.


A certificate confirming Successful Completion of Knowledge & Practical is awarded to those who pass the Assessment of Knowledge.

We can also provide a certificate confirming a candidate is ‘Competent in ROV HV Systems’.

For this, the candidate must also hold a valid Certificate of Competence at Senior ROV Pilot Technician (Submersible Engineer) or above. This qualifies them to act as ‘Isolating Authority’ at the employer’s discretion.

For a breakdown of Assessment Outcomes, please consult the flow chart diagram on this website page.

Course Delivery

This course can be delivered at client premises globally. This allows us to focus on company equipment and procedures.

For clients whose teams operate in different locations, the most cost-effective solution is to train on board vessel. We recommend this happen in transit, or during crew change.


  • Practical assessments take place on day 2
  • Certificates of Competence can be issued by MTCS. Alternatively, they may be issued by an in-house Competence Scheme conforming to IMCA C007
  • All assessments are carried out by MTCS qualified assessors

An overview of a typical Isolation is shown below:

MTCS - High Voltage Certification Process Diagram

Key Points

Course Fees
Please contact us to discuss your requirements and for a corporate rate

2-days including assessment

Client premises, either on-shore or offshore

Suitable For
Candidates with suitable background and some ROV experience

All course fees and certification

Next Steps
‘Competence in ROV Safe Working Practice’ for suitably experienced and qualified personnel. Contact MTCS for further details

Our Corporate Courses