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A messenger wire is a wire or cable that is used solely for the physical support of another element, typically a conductive wire or bundle of wires. The messenger wire will take the shape of a parabola (shape of a free hanging string) and the conductive wore or bundle of wires supported by the messenger may follow that parabola of be supported in a straight lines through the use of drop lines. Take a look at the power catenary for a light rail or electrified bus system.

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15y ago

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