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Multiple Choice

Concrete poles may be used in which construction without guying?

When a pole sits at the end of a line or where the line must turn, the loads on it behave differently than along a long straight span. Concrete poles are heavy and stiff enough to resist the bending and lateral forces generated by a terminated or redirected conductor, so they can carry that load without the help of additional guy wires. In a corner or dead-end setup, the line’s tension is not pulling the pole outward along a span, and the pole’s base and design provide the necessary restraint on its own. In contrast, straight, long spans or locations like across rivers involve continuous tension between supports. The conductor pulls outward along the span, creating lateral forces that push the pole unless something restrains it, so guying is normally required to keep the pole from leaning or breaking.

When a pole sits at the end of a line or where the line must turn, the loads on it behave differently than along a long straight span. Concrete poles are heavy and stiff enough to resist the bending and lateral forces generated by a terminated or redirected conductor, so they can carry that load without the help of additional guy wires. In a corner or dead-end setup, the line’s tension is not pulling the pole outward along a span, and the pole’s base and design provide the necessary restraint on its own.

In contrast, straight, long spans or locations like across rivers involve continuous tension between supports. The conductor pulls outward along the span, creating lateral forces that push the pole unless something restrains it, so guying is normally required to keep the pole from leaning or breaking.