The obligation
Cables must be treated as energised until tested by a competent person, and work near energised parts must be controlled using the hierarchy of controls.
Cables must be treated as energised and the procedures for working on energised electrical equipment followed, including testing by a competent person to determine whether they are energised. Both ends of a cable should be checked for isolation before cutting. When working near energised electrical equipment, you must work through the hierarchy of controls to choose the most effective control measures so far as is reasonably practicable.
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- What
- Cables must be treated as energised until tested by a competent person, and work near energised parts must be controlled using the hierarchy of controls.
- Source
- worksafe.wa.gov.au
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Frequently asked questions
Which WHS law does this come from?
Working on cables and near energised electrical parts is a WHS requirement set out in Managing electrical risks in the workplace (WA). It is made under Work Health and Safety Act 2020 (WA). The relevant provision is WA > Codes of Practice > Electrical Safety.
What does this WHS obligation require?
Working on cables and near energised electrical parts is a WHS obligation under Managing electrical risks in the workplace (WA). In short, Cables must be treated as energised until tested by a competent person, and work near energised parts must be controlled using the hierarchy of controls.
What changed recently?
Working on cables and near energised electrical parts was last updated on 9 October 2026.
