What is a "stringing chart" and why is it important for overhead line construction?

2025-08-13

Our Answer: A stringing chart is a critical tool for the precise installation of overhead line conductors. It is a technical document that provides the correct sag and tension values for a conductor at different temperatures and span lengths. During the construction of a new line or re-conductoring, our crews use the stringing chart to ensure the conductor is installed with the optimal tension. This is essential for:

  • Safety: Maintaining proper ground clearance to prevent accidents.

  • Reliability: Preventing excessive sag that could cause the conductor to touch other objects or conductors, leading to a short circuit.

  • Longevity: Avoiding excessive tension that could stress and damage the conductor or the supporting structures.

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