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Identifying high voltage hazards

High voltage work presents a high hazard level. To plan for high voltage work, including isolation and access, you must manage the risks.

High voltage work presents a high hazard level, including:

  • induction from other circuits and communications equipment such as radio transmitters
  • a build-up of static charge due to weather conditions
  • feedback from secondary or tertiary systems
  • stored energy in high voltage capacitor banks
  • working under or over other live conductors.

To plan for high voltage work, including isolation and access, you must manage the risks. Check out section 9 of the Managing electrical risks in the workplace code of practice 2021 (PDF, 1.25 MB).

Control measures

People near exposed live high voltage parts must observe the safe approach limits detailed in the Electrical Safety Regulation 2013. More information can be found in the Electrical safety code of practice 2020 – Working near overhead and underground electric lines (PDF, 0.47 MB)  Appendix B.

Section 4.1 of the Managing electrical risks in the workplace code of practice 2021 (PDF, 1.25 MB) provides general information on how to prove electrical equipment is de-energised.