why we use bare wire in high tension power instead of using insulated wire?

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why we use bare wire in high tension power instead of using insulated wire?..

Answer / ahmadnahla

if you mean in the overhead power lines : 

it will take much more cost to use insulated cables

Is This Answer Correct ?    16 Yes 1 No

why we use bare wire in high tension power instead of using insulated wire?..

Answer / wukwai

It is unnecessary to insulate the cables because they are suspended in air and are supported by ceramic insulators at the supporting poles or structures.

Is This Answer Correct ?    4 Yes 2 No

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