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Periodic Inspection, Testing and Certification of Electrical Installations Course

Learn specialist inspection and testing techniques with leading electrical training provider, GTEC. 

This 4-day training course is certified by City & Guilds (2391-51) and delivers specialist knowledge and skills, including appropriate legislation, inspection and testing techniques, completing and issuing certificates or reports and understanding of results and measurements. 

This course is suitable for operatives who have previously gained qualifications in initial verification and wish to expand their skills to include reporting on the condition of existing electrical installations.

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At a glance

Cost icon

Course cost

£550.00 exc. VAT

Duration icon

Course duration

4 days


City & Guilds

Course information

This Level 3 Periodic Inspection, Testing and Certification of Electrical Installations (2391-51) has been designed specifically for practising electricians who have not carried out inspection and testing since qualifying or who require some update of training before progressing to other City & Guilds qualifications. 

Candidates will develop the skills, knowledge and competency to test and inspect a range of electrical installations in both domestic and commercial properties, including installations undertaken by other domestic installers & electrical engineers.

During the course, you will receive practical training, including work on:

  • Purpose-built electrical rigs; and 
  • Live equipment within a fully functioning plant room.

You will also cover theory relating to health & safety, industry regulations and best-practice.

At the end of day 4, you will complete a written multiple-choice assessment and three practical tasks.

On completion of this course, you will receive City & Guilds Level 3 Certificate. 

Depending on individual requirements, we also offer two alternative training routes:


You should have suitable knowledge of electrical theory and ideally be working within the electrical industry or a related sector.

We strongly recommend that you undertake the following qualifications before enrolling on this course:

You will require the new 18th Edition book, Guidance Note 3 (18th Edition) and the revised 18th Edition On-site Guide. We can provide these books for you at cost - please give us a quick call on 01969 666111 and speak to our training department.

Training, assessment and certification and all other course materials are included. 

If you have any questions or wish to discuss your requirements, give our training department a call on 01969 666111.

Prerequisites icon

The course consists of 4 day in-centre training. 

Successful candidates will receive their City & Guilds certificate approximately four to six weeks following completion of the course.

What's included icon

This course covers the principles, practices and legislation for periodic inspection and testing and reporting of electrical installations in accordance with regulations and requirements.

Skills and essential background knowledge that are covered within the course include:

  • Safe isolation of electrical circuits and installations.
  • Requirements for inspecting and testing of existing electrical installations.
  • The completion of the electrical installation condition report and supporting documentation.
  • Requirements for completing the periodic inspection of electrical installations.
  • The differences between periodic inspection and initial verification.
  • Requirements for the safe testing of electrical installations which have been placed in service.
  • Requirements for testing before circuits are energised.
  • Requirements for testing energised installations.
  • Understand and interpret test results.
  • Requirements for the completion of electrical installation condition reports and associated documentation.
  • How to confirm safety of system and equipment prior to completion of inspection, testing and commissioning.
  • How to carry out inspection of electrical installations prior to them being placed into service.
  • How to test electrical installations prior to them being placed into service.
  • How to produce a condition report with recording observations and classifications.
  • Health and Safety requirements.

Relevant documentation will also be covered, including:

  • Requirements for the inspection.
  • Reasons for inspection and testing.
  • Factors that affect conductor resistance.
  • Completing insulation resistance testing.
  • Common earth fault loop paths.
  • Methods for verifying protection.
  • Methods for testing the operation of residual current devices.
  • Information in condition report.
Course outline icon

An electrical installation certificate in the UK can be issued by a qualified and registered electrician or an authorised electrical contractor. Only individuals or organisations with the necessary qualifications and certifications, such as NICEIC or ELECSA registration, are authorised to issue these certificates. These certificates are essential for confirming the safety and compliance of electrical installations.

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