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Last updated: 12 Oct 2022
Best practice forest management – trees and transmission lines
A best practice guide on the management of trees around transmission lines.
Last updated: 05 Jul 2023
Earth Potential Rise (EPR)
In the rare event of a lightning strike or fault on the transmission line, towers or poles may transfer high voltage and dangerous currents into the ground for a very short instant.
Last updated: 05 Jul 2023
Mycoplasma Bovis
This information sheet provides important information on Mycoplasma bovis and best practice measures in its containment.
Last updated: 12 Oct 2022
Plantation forestry near transmission lines
This factsheet provides information on the issues surrounding the growing and harvesting of forestry near transmission lines.
Last updated: 05 Jul 2023
Biosecurity
This information sheet details Transpower's measures around biosecurity.
Last updated: 05 Jul 2023
Minimum Approach Distances - 110kV Lines on Towers
The Electricity Code of Practice provides minimum approach distances in and around transmission structures and conductors.
Last updated: 18 Sep 2024
Minimum Approach Distances - 110kV Lines on Poles
The Electricity Code of Practice provides minimum approach distances in and around transmission structures and conductors.