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The main advantages are that they don't spoil the appearance of the countryside and can't damage flying birds, and that they are protected from the weather. The main disadvantage is the much larger cost of installing them.

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Q: What are the advantages and disadvantages of underground transmission cables?
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Advantages and disadvantages of underground and overhead cables?

Overhead transmission lines are less expensive, in most cases, significantly less expensive, than underground cables. Underground transmission cables require insulation, cooling systems, and -the most expensive feature- excavation!

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A. you can go under water. D. if they break you die.

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Transmission cables are made of conductors and insulating material covering that conductor.

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yes and it good for this jop

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because its to expensive.

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