High Voltage Connection Audits

Jamestech staff have extensive experience and qualifications to assist you with Auditing your HV installation.

A high voltage installation is a group of items of electrical equipment permanently connected together and supplied with electricity at voltages greater than 1000VAC RMS or 1500V ripple-free DC.


Under Section 153 of the Electrical Safety Regulation 2002, a person must not connect or reconnect a high voltage electrical installation to a source of electricity, after electrical work has been performed on the installation, unless the electrical work has been inspected by an accredited auditor and found to be electrically safe and compliant with the Wiring Rules (AS/NZS 3000) and other relevant Australian standards, such as AS 2067 (Substations and high voltage installations exceeding 1 kV a.c.).

Obligations and responsibilities

The owner of the high voltage installation must ensure that:

  • the installation is inspected, tested and found to be electrically safe by an accredited auditor before the installation is connected or reconnect to the electricity supply; and
  • all requirements, as stipulated by the accredited auditor, are met and are maintained during the life of the installation.

The owner has the responsibility to:

  • accept or reject the design and equipment used in the installation, ensuring compliance with legislative and Australian standard requirements; and
  • accept the use of any particular equipment or method of installation in accordance with, and ensuring compliance with, legislative and Australian standard requirements, and to obtain advice on this from people competent to provide such advice.

What must your accredited auditor do?

  • inspect the high voltage electrical installation, confirm the installation has been tested to ensure it is electrically safe and is in accordance with the Wiring Rules and Electrical Safety Office, Department of Justice and Attorney-General
    Connection and reconnection of high voltage installations ESOPDF003 Version 1 Last updated November 2012 other relevant Australian standards; and
  • provide written notification to the owner / occupier or to their representative detailing the outcome of the inspection; and the auditor, or the employer of the accredited auditor, must make and keep a copy of the inspection report for at least five years.

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