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why do we need a 4th wire in 3phase 3wire transmission line
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Answer / manish2march@gmail.com
some time it needs to protect the transmission line from
lightning .so 4 wire is preffered as ground wire....
| Is This Answer Correct ? | 5 Yes | 0 No |
Answer / n rajesh
One is Red
second is yellow
third is blue
fourth is green for earth.
| Is This Answer Correct ? | 2 Yes | 0 No |
Answer / sudhir singh
Fourth wire
needed in line
is of GI
provided for
earthing purpose
in case of any
fault occuring
in line we can
call it earth
conductor
| Is This Answer Correct ? | 1 Yes | 0 No |
Answer / b.janardhana rao
4th wire we can use earth wire at the same time it can protects from lightning.
| Is This Answer Correct ? | 0 Yes | 0 No |
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