C&G 2357 107 Inspection and Test


The final GOLA exam that appears in the 2357 qualification is the 107 which covers initial verification and certification into the qualification.

Exam Breakdown

The exam is a 40 question multiple choice online exam broken down into several different sections with a 40 minute time limit.

Category Number of Questions
Completing the safe isolation of an electrical circuit and complete electrical installations in preparation for inspection, testing and commissioning 7
Inspecting, testing and commissioning electrical systems, equipment and components 2
Completing the inspection of electrical installations 31

Revision List

The following items should form the mainstay of your revision time:

  • Electricity at Work Regulations
  • BS7671 17th Edition Wiring Regulations
  • Regulations and Codes of Practise
  • Electrical terminology
  • Safe isolation procedures
  • Earthing and bonding
  • Relevant paperwork to the process
  • Inspection and Test sequence
  • Initial verification
  • Minor works
  • Inspection process
  • Protective devices
  • IP ratings
  • Volt drop
  • Protective conductor continuity
  • Ring final conductors
  • Insulation resistance
  • Polarity
  • Earth Electrode Resistance
  • Earth Fault Loop Impedance
  • Prospective Fault Current
  • Correct completion of paperwork
  • Compliance and non-compliance

Note: The above list is not exhaustive, we recommend working through the syllabus on the C&G website to ensure you cover all the areas.


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