Dead-end tower

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In a transmission line, a dead-end tower is a tower where the conductors mechanically terminate.

In a dead-end tower, the insulator string is in line with the conductor. A short section of conductor connects each side, or connects the line to some component, such as a circuit breaker.

Dead-end towers have other differences from suspension towers: they are built stronger, they often have a wider base, and they often have stronger insulator strings.

Dead-end towers are used:

  • where a transmission line actually ends;
  • where a transmission line turns through a large angle;
  • on each side of a major crossing, as of a large river, an important highway, a large valley; or
  • at intervals, even if no other reason exists.