C&G 2391-52 Inspection and Testing

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Start date Duration Price
12th April 2021 5 days £800 + VAT
21st June 5 days £800 + VAT
26th July 5 days


£800 + VAT


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City and Guilds 2391-52 combines all of the elements of Initial Verification and Periodic Inspection and Testing.

This City & Guilds qualification is aimed at practicing electricians who have not carried out inspection and testing since qualifying or who require some update training. This qualification helps you to develop the knowledge and practical skills required to professionally install and carry out initial verification and periodic inspection and testing on electrical installations. It is expected that suitable candidates have a basic knowledge and understanding of electrical science and principles and experience of electrical installation work. This is an essential skill for any electrical installer.

Course content

The course will cover the specific methods of inspecting and testing all types of installations, whether single or three-phase, to the current requirements of BS 7671. It covers the inspection and testing techniques as given in IET Guidance Note 3 and how to professionally complete Certification and Reports.

Key areas covered include

  • Safe isolation of electrical circuits and installations
  • Requirements for initial verification of electrical installations
  • Requirements for completing the inspection of electrical installations prior to their being placed into service
  • Requirements for the safe testing and commissioning of electrical installations
  • Requirements for testing before circuits are energized
  • Requirements for testing energized installations
  • Requirements for the completion of electrical installation certificates and associated documentation
  • Safety of systems and equipment prior to completion of inspection, testing and commissioning
  • Inspection of electrical installations prior to them being placed into service
  • Commissioning electrotechnical systems and equipment

Throughout the above you will also cover:

  • Health and Safety requirements
  • Relevant documentation
  • Factors that affect conductor resistance values
  • Common earth fault loop paths
  • Methods for verifying protection
  • Requirements for determining fault current
  • Procedures for dealing with clients


  • 2 Hour online open book exam
  • 3 practical assignment tasks – including a 2-hour practical assessment
  • Visual photo exercise (approximately 30 minutes)
  • Short paper consisting of four written questions


Although there are no pre-entry requirements for this electrical course, it is expected that candidates have a basic knowledge and understanding of electrical science and principles, and experience of electrical installation work. We would strongly recommend that candidates would have previously undertaken City and Guilds 2382: 17th Edition Wiring Regulations course.