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High Voltage Maintenance (HVM)

£1,565 + VAT
5 Days
York and Slough.
Course Overview
This City & Guilds Assured course will enable you to gain the additional knowledge required to carry out inspection and maintenance of high voltage switchgear and associated systems.

Throughout this course receive hands-on practical training, led by our highly experienced training team, with practical sessions including:
- OCB maintenance
- Fault finding
- High voltage pressure testing
- Secondary Injection testing for protection devices
- Thermal Imaging
- Partial Discharge Testing
- Cable Location and Identification
- Time Domain Reflectometry
Who is This Course For?
This course is aimed at experienced staff such as managers and supervisors who have responsibility for the safety and maintenance of high voltage switchgear. It is particularly suitable for the High Voltage Competent Person and those who may be required to undertake inspection, maintenance and testing of high voltage equipment.
Course Dates
Start Date End Date Location Price (Ex. Vat)
Mon, 23rd March 2026 End Date: Fri, 27th March 2026 Slough £ 1,565 | Slough
Mon, 13th April 2026 End Date: Fri, 17th April 2026 York £ 1,565 | York
Mon, 1st June 2026 End Date: Fri, 5th June 2026 York £ 1,565 | York
Mon, 29th June 2026 End Date: Fri, 3rd July 2026 Slough £ 1,565 | Slough
Mon, 13th July 2026 End Date: Fri, 17th July 2026 Slough £ 1,565 | Slough
Mon, 27th July 2026 End Date: Fri, 31st July 2026 York £ 1,565 | York
Mon, 24th August 2026 End Date: Fri, 28th August 2026 York £ 1,565 | York
Mon, 21st September 2026 End Date: Fri, 25th September 2026 Slough £ 1,565 | Slough
Mon, 12th October 2026 End Date: Fri, 16th October 2026 York £ 1,565 | York
Mon, 26th October 2026 End Date: Fri, 30th October 2026 Slough £ 1,565 | Slough
Mon, 7th December 2026 End Date: Fri, 11th December 2026 York £ 1,565 | York

Schedule
Day Morning Afternoon
One
  • Introduction
  • Maintenance
  • High Voltage Equipment & Operation
Two
  • High Voltage Equipment
  • ACB Demo
  • RA
  • OCB Maintenance
Three
  • Distribution
  • Fault Finding Exercise(s)
  • Fault Finding Exercise(s)
  • Practical Exercise(s)
Four
  • Earthing & Maintenance
  • Arc Flash
  • Protection
  • Practical Exercise(s)
Five
  • Transformers
  • Assessment(s)
Key Learning Areas
  • Electricity at Work Regulations requirements for maintenance
  • Recommendations for keeping electrical switchgear safe in accordance with HSG 230
  • High voltage equipment including switchgear and protective devices
  • Care and maintenance requirements for oil and non-oil circuit breakers
  • Testing of earthing systems
  • Maintenance of ancillary equipment
  • Condition monitoring techniques
  • Post maintenance checks including pressure testing
  • Safe working procedures
  • Practical exercises on high voltage assets
What you need...
Electrical background with high voltage switchgear experience desirable.
Everything you require for this course is provided
Related Courses
Next Steps
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Customer Questions

Q: Does this course provide a City & Guilds Certificate?
A: On successful completion of this course you will receive a City & Guilds Accredited certificate.
Q: Do you run High Voltage (HV) training courses, approved by Network Rail?
A: We have provided Authorised Person High Voltage - Operation and Safety (APHV1), SAP High Voltage - Commercial and Industrial Sectors (APHV4), and High Voltage Maintenance (HVM) training courses, approved by Network Rail.
Q: Do you run Substation Entry training courses, approved by Network Rail?
A: We have provided Authorised Person High Voltage - Operation and Safety (APHV1), SAP High Voltage - Commercial and Industrial Sectors (APHV4), and High Voltage Maintenance (HVM) training courses, approved by Network Rail. Please contact our Account Management team for information on Substation Entry for Network Rail.
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