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Refresher HVSO3 Refresher Limited Safe Switching of HV Power Systems for Authorised Person Course (HVSO1 Refresher)
High Voltage

HVSO3 Refresher Limited Safe Switching of HV Power Systems for Authorised Person Course (HVSO1 Refresher)

2 days
Competency Certificate
Refresher HVSO3 Refresher Limited Safe Switching of HV Power Systems for Authorised Person Course (HVSO1 Refresher)
£749.00 £898.80
+VAT
Book with £125.00 £150.00 Deposit
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This two-day refresher course is tailored for existing Authorised Persons familiar with HV switching, and who wish to refresh their safe operation of high-voltage power systems, specifically single-end drive circuits. It covers updated safety regulations and reinforces key switching practices in a realistic training environment.

Delivered at our High Voltage Training Centres, this course uses a blend of classroom theory and practical exercises to revise issuing isolation documents and carrying out routine switching competently, ensuring you’re confident and compliant with current standards.

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HVSO3 Refresher Limited Safe Switching of HV Power Systems for Authorised Person Course (HVSO1 Refresher)

Why enrol on the HVSO3 (HVSO1 Refresher)?

This course is ideal for professionals who once held, or still hold, HV authorised person status and need to ensure their knowledge remains current. It’s a recognised method to demonstrate ongoing competence in line with industry practice.

Our focused, hands-on refresher revises essential high-voltage safety procedures and document preparation in a controlled yet realistic setting. You’ll learn from experienced tutors committed to maintaining your readiness for real-world HV operations.

HVSO3 Refresher Limited Safe Switching of HV Power Systems for Authorised Person Course (HVSO1 Refresher)
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Overview
What Will I Learn On This Course?
Course Content

Course Overview

Over two days, you’ll revisit critical theory and practical skills related to operating HV systems safely and issuing isolation documents.

Course Topics

  • Hazards of electricity
  • Electrical statutory regulations
  • Operational procedures 
  • Abridged high voltage safety rules 
  • Causes of electrical accidents 
  • Case studies 
  • Safety documents and lockout/tagout 
  • Practical switching exercises 
  • Course review 
Entry Requirements

Who should refresh with this course?

This course is recommended for individuals who have previously completed the HVS01 Course, Limited Operation of HV Power Systems, or equivalent. It is ideal for authorised persons looking to refresh their knowledge and ensure compliance with current regulations. 

Prerequisites 

  • Previous attendance of an HV limited safe operation course (e.g. HVSO1)
  • Good spoken and written English
  • Aged 18 or older
Learning Outcomes

Which skills will you refresh?

You’ll leave confident in your ability to conduct safe switching operations and issue the relevant safety documentation, in line with current HV procedures.

You will refresh

  • Key isolation and lockout/tagout procedures
  • Accurately applying abridged safety rules
  • Operational and switching procedures
  • Completing and issuing safety documents

How will I be assessed? 

At the end of this refresher course, you will be assessed via a written exam and a practical test.

What qualification will I receive?

Upon completing the course and passing the exams, you will be awarded a Certificate of Competency. Attendees who choose not to sit the exams, or who are unsuccessful in doing so, will receive a Certificate of Attendance.

Course Format & Materials

Training Format

Held at our high voltage training centres, featuring real switchgear at intrinsically safe voltage levels, the course combines theory with hands-on practice.

Training Materials

As part of this course, participants will receive:

  • Course folder with presentation notes and handouts
  • Notepad and pen for exercises
  • Access to our simulated HV training environment with realistic switchgear

Candidates are also welcome to bring employer-specific materials or protocols for discussion.

Duration & Certification

Course timeline and outcomes.

This is a two-day programme combining theory and practical assessments.

Completion includes:

  • Written and practical assessments.
  • PASS Certificate of Competency upon passing; otherwise Certificate of Attendance.
What’s Included

What’s included in my booking?

  • Expert-led training sessions
  • Course entry and exam administration
  • Lunch and refreshments (tea, coffee and juice) 
  • Certificate of Competency (or Attendance if applicable)
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Frequently Asked Questions
Who should attend this refresher?

Anyone who previously completed the HVS01 or an equivalent HV switching authorisation course and needs to maintain operational competence.

Are assessments included?

Yes. You’ll complete both written and practical assessments. A Competency Certificate is awarded on passing; otherwise you’ll receive an Attendance Certificate.

Where does training take place?

Courses are delivered at our HV Training Centres equipped with purpose-built HV switchgear and realistic training environments.

Will this lead to full HV switching authorisation?

This is a refresher course only. It maintains your existing authorised status. For full authorisation, you’d need to complete the initial HV authorised person training (HVS01).

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