What are the main differences between an Anchor Clamp, a Suspension Clamp, and a Strain Clamp?

2025-08-13

These three types of clamps are crucial for securing overhead conductors, but they serve different functions:

  • Anchor Clamp (Dead-End Clamp): Used at the beginning and end of a power line segment, or at sharp corners. It is designed to bear the full mechanical tension of the conductor, securely anchoring it to the pole or tower.

  • Suspension Clamp: Used along the length of a straight power line to support the conductor from the pole or tower. Its primary function is to hold the conductor's weight, allowing it to hang freely and maintain the correct sag, without applying significant tension.

  • Strain Clamp: A variant of the anchor clamp, a strain clamp is used in angled or terminal structures to secure conductors under high mechanical tension. It is essential for maintaining the structural integrity of the line at points of stress.

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