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Frage 390

What is the purpose of a safety wire through a turnbuckle used to tension guy lines?

  1. Secure the guy line if the turnbuckle breaks
  2. Prevent loosening of the turnbuckle from vibrationRichtige Antwort
  3. Provide a ground path for lightning strikes
  4. Provide an ability to measure for proper tensioning

Erklärung

Wind and vibration can slowly unscrew a turnbuckle and let a guy line go slack, which changes the tension pattern that keeps the tower standing. A safety wire threaded through the turnbuckle body and frame locks it so it cannot turn.

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Frage 390: What is the purpose of a safety wire through a turnbuckle… · FCC Technician Class (Element 2) · Questena