Energy Safe Victoria

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Transmission overhead powerlines

Transmission overhead powerlines range in voltage from 132kV up to 500kV. They are installed on towers or steel poles.


Transmission lines are typically installed in easements and permission is required before any work can be undertaken on the easement.

No Go Zones for towers

Transmission 02

  1. For work outside 10.0m from overhead power lines no specific requirements are established other than those described in established regulation, primarily the Victorian Occupational Health and Safety Regulations 2007.
  2. For any work between 10.0m and 8.0m from an overhead power line, a registered spotter is required. This is known as the Spotter Zone.
  3. For any work within 8.0m from an overhead power line, permission from the relevant network operator is required.

Systems of work with overhead powerlines and towers

For more information on safe systems of work with powerlines, read the Worksafe guide to No Go Zones – Framework for undertaking work near overhead and underground assets.