Question

3) Write classification of U.G. cable according to voltage.
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Answer 1

Answer:

Classification of Underground Cables

Low-tension (L.T.) cables – upto 1000 V.

High-tension (H.T.) cables – upto 11,000 V.

Super-tension (S.T.) cables – from 22 kV to 33 kV.

Extra high-tension (E.H.T.) cables – from 33 kV to 66 kV.

Extra super voltage cables – beyond 132 kV.

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