Is this course for you?

This course is for electrical engineering staff nominated to the role of Authorised Person (HV) in the commercial sector.

Learners must have a firm understanding of basic electrical principles and theory prior to attending this course.

How often should I complete this refresher training?

Authorised Persons (HV) should undertake refresher training every three years.


To provide learners with the knowledge and skills to work safely on high voltage electrical systems and understand the dangers that these present.

To enable learners to issue safety documentation in compliance with current HSE legislation and a generic set of commercial safety rules and procedures.


By the end of the course you will be able to:

  • Understand statutory safety regulations relating to HV safe working practices
  • Follow procedures defined by a set of generic commercial safety rules and procedures
  • Issue and cancel a Permit to Work / Sanction to Test
  • Perform cable location and identification
  • Carry out HV pressure testing of cables and vacuum circuit breakers
  • Safely confirm HV cables dead using a cable spiking gun
  • Understand and operate HV protection systems
  • Practically carry out earthing of switchgear and cables
  • Carry out live HV phasing
  • Complete operating records and documentation
  • Operate and maintain HV switchgear

Related courses

City & Guilds

This course has City & Guilds assured programme status.


HV facility image

HV facility

We have extensive High Voltage training facilities for both the healthcare and commercial sectors with an emphasis on practical training.