Conductor clashing

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Conductor clashing is the phenomenon where conductors come in contact with one another during high wind speeds or gusts.[1]

External forces[edit]

Shoes on a power line

Conductor clashing may be assisted by the following external forces:

  • Incorrect tensioning of the line during erection
  • High winds, or gusts during extreme storms or hot weather
  • Flora such as hazard trees breaking and falling onto wires
  • Fauna such as birds causing wires to sag and/or clash
  • Vehicles crashing into poles, causing poles to lean & wires to clash
  • Vandalism such as articles thrown onto power lines causing wires to sag and/or clash.


  1. ^ Blackburn, T.R. (October 1985), "Conductor Clashing Characteristics of Overhead Lines", Electric Energy Conference 1985 (PDF), University of NSW, retrieved 2012-09-14