There are electrical overhead powerlines criss-crossing the country.Often unnoticed, they are essential to provide electricity to our towns and communities.Contact with overhead powerlines can cause serious injury or death.
When
January 2017
Who
Jason Davis, John Anderson, Mirco Cattabriga, Aaron Jones, Amanda Johnson, Steve McQueen
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Understand the electricity network Powerlines have many different configurations ranging from multiple high voltage cables supported on large towers to a Single Wire Earth Return (SWER) system. SWER system spans can be of up to 400 metres and are particularly hazardous to pilots as cables and poles can be difficult to see. Buildings such as houses and sheds are likely to have power connected through overhead structures. Roads may also provide a convenient path for powerlines. By identifying at least two poles, a pilot can gauge the path of the cable. Insulators on poles generally run in the same direction as the cable and may assist in identifying the number of cables and their direction. Understanding how to read powerline ardware on utility structures is a core skill for low-level flying crews.
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