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Auditor examining equipment

Electrical safety accredited auditors

Accredited auditors are appointed by the Electrical Safety Office (ESO) to carry out specific auditing and inspection functions under the Electrical Safety Act 2002.

There are three specialist areas of activity that ESO accredited auditors perform duties in:

  • safety management systems (SMS)
  • hazardous areas (HA)
  • high voltage installations (HV).

Safety management systems

Prescribed electricity entities are required to conduct an annual compliance audit by an SMS Accredited auditor. A list of the prescribed electricity entities can be found in schedule 6 of the Electrical Safety Regulation 2013. Other electricity entities may decide to engage a SMS Accredited auditor to undertake a compliance audit on their work of an electrical entity.

Hazardous areas

Hazardous area accredited auditors are required to inspect workplaces prior to connection of electrical equipment located in a classified hazardous area to an electricity source. These areas are classified according to their category type:

  • Category 1 – Flammable gases, liquids and vapours (zones 0, 1 and 2)
  • Category 2 – Combustible dusts (zones 20, 21 and 22)
  • Category 3 – Flammable gases, liquids and vapours, and combustible dusts (zones 0, 1, 2, 10, 21 and 22) .

High voltage installations

A high voltage installations accredited auditor is required to inspect high voltage electrical installations prior to connection to an electricity source.

Important information

Only an ESO accredited auditor is authorised to satisfy the audit requirements of the Electrical Safety Act 2002 for prescribed electricity entities audits, inspections of hazardous areas and high voltage installations.

Accredited auditors are issued with a signed photo identity card. You should ask to see this before an audit begins.

Existing appointed accredited auditors

Resources and information for appointed accredited auditors is available.

Last updated
20 September 2019

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