Auditing electrical installations, workers and contractors

Electrical technical standards and safety officers from the Office of the Technical Regulator (OTR) have the authority to audit electrical installations, workers and contractors at random or in response to complaints.

The audits are undertaken to assist in the administration and enforcement of the requirements of the Electricity Act 1996 and the Electricity (General) Regulations 1997 .

Auditing electrical installations

Technical standards and safety officers from the OTR undertake five types of audit:;

  • audit of electrical installations that are alleged to be non-compliant as well as electrical accidents that have been reported
  • audit of the work of electrical workers and contractors whose names are selected at random from a database
  • audit of electrical workers and contractors for specific reasons such as keeping copies of electrical certificates of compliance, calibration of testing equipment and training in rescue and resuscitation.
  • audit of in-house electrical workers who perform electrical work directly and exclusively for their employer
  • audits of a specific segment of the electrical industry – eg PV installations, hazardous installations, air conditioning.

Categories of safety and technical breaches

There are three categories of breaches of technical and safety requirements based on the level of risk they may pose to the safety of people and property.

  • Priority 1: breaches that pose immediate danger
  • Priority 2: breaches that are potentially dangerous should a secondary fault occur in the installation
  • Priority 3: technical breaches

The OTR has a policy to disconnect parts of installations that are found to have a priority 1 breach. This is done to ensure the safety of the installation and to ensure that priority 1 breaches are rectified.

Before the electricity supply is restored to the installation, an electrical certificate of compliance signed by a licensed electrical contractor must be submitted to the Office of the Technical Regulator. The certificate of compliance is to verify the electrical integrity of the installation.

If the whole installation is disconnected, an electrical contractor will be required to test and verify that the whole installation is compliant and safe to be re-connected using the OTR's testing and verification sheet .

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Page last updated 13 April 2017

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