| Outdoor Cable Systems |
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Outdoor cable systems consist of a number of different types of cables mounted on vertical poles. The cables are used for the distribution of power and signals such as telephone and cable television. The cables are arranged on the poles so that the most dangerous cables, i.e., those carrying power, are the highest up. The power cables often consist of three separate wires carrying +120V, 0, and -120V AC power. These are distributed to houses and businesses. They can bridge the +120 VAC and -120 VAC to create a 240 VAC circuit, or bridge the +120VAC or -120 VAC and 0 to create 120 VAC circuits. Overhead cable systems also include a number of different components for managing signaling cables. These include splicing systems that allow multi-conductor cables for distributing telephone signals and snowshoe-shaped devices for reversing the direction of cables. |
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