» AM2: Section B – Inspection, Testing and Certification of the Composite Installation

Maximum Time Allowed: 3 Hours 30 Minutes

You will be allowed a minimum of 20 minutes to read this section and prepare for assessment

This section will be observed by the Centre Assessor.

You will be provided with the following documentation for use throughout the section:

  • BS 7671 Requirements for Electrical Installations
  • IET Guidance Note 3. Inspection & Testing
  • IET On-Site Guide

To demonstrate occupational competence, you’ll carry out a visual inspection of your installation and complete the following tests:

  • Continuity of protective conductors, including main and supplementary bonding
  • Continuity of ring final circuit conductors
  • Insulation resistance
  • Polarity
  • Earth fault loop impedance
  • Additional protection (effectiveness of RCDs)
  • Prospective fault current
  • Check of phase sequence
  • Functional testing

You also need to correctly complete an Electrical Installation Certificate, Schedule of Inspections and Schedule of Test Results using the documentation provided.

You’ll be expected to follow practices and procedures that consider the presence of voltage sensitive equipment.

Faults / Alterations

During and within the time allowed for this section, you may correct any part of your installation that you decide is incorrect or not complete. 

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