HVMARS04 – Safe Switching Operation of HV Power Systems (Marine/Offshore Senior Authorised Person)

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Gain the skills and knowledge you need to be a senior authorised person responsible for switching on HV power systems in marine and offshore environments.

Course Code



This is a 5 day training course.

Course Location

PASS Training Centre
1 Alberto Street
TS18 2BQ

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Course Entry Requirements

Those wishing to attend this course must have electrical experience and work, or be going to work within the maritime or offshore industries.

As this is a senior authorised person level course, having prior experience is essential.

If you would like to become an Authorised Person instead, we run an alternative course which you find out more about here >>

Course Description

Specific version of our high voltage safe switching course tailored for those who work in the marine and offshore industries.

This is also the higher-level version of our HVMARS01 course and is designed to train you up to a Senior Authorised Person level for performing safe switching of high voltage equipment within ships, offshore platforms etc.

During the course, you’ll learn a wide variety of things relating to high voltage marine work, including statutory regulations, safe operation, maintenance, how to perform switching and more. The course includes a mix of both theoretical and actual practical switching work, plus how to issue safety documents.

Course Content

The course covers the following modules:

  • UK and other national marine/offshore statutory electrical regulations
  • Electrical hazards and precautions
  • Arrangement of high voltage switchrooms
  • Emergency Conditions
  • Marine/offshore high voltage safety rules
  • Operation and safety features of switchgear
  • Issue and control of safety documentation
  • Safety lockout procedures, key safes/multi hasps
  • Treatment of system neutral point
  • Appreciation of fault levels
  • Marine/offshore application of electrical protection
  • Case Studies
  • Practical exercises (3 switching/safety documents)

We can also provide bespoke modules designed in combination with your unique business safety protocols. Please contact us directly for more information on tailoring your training course.


Written examination and practical examination

Reading Requirements

There are no peripheral reading requirements for this course.

Certificate(s) Gained

  • PASS Certificate of Competency

Those who do not complete the course or do not pass the tests will receive a certificate of attendance instead.

More Information

If you’d like any further information on any of our courses, including confined space awareness, please give us a call 01642 987 978 or contact our training team.

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