Transmission tower
OverviewMarkersTerminologyHigh voltage AC transmission towersHigh voltage DC transmission towersRailway traction line towersTower designsAssembly
The International Civil Aviation Organization issues recommendations on markers for towers and the conductors suspended between them. Certain jurisdictions will make these recommendations mandatory, for example that certain power lines must have overhead wire markers placed at intervals, and that warning lights be placed on any sufficiently high towers, this is particularly true of transmission towers which are in close vicinity to airports.
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