Answer / bhatt

In PVC conduit, one can run single phase, two phase and
three phase but two phases is not allowed in metalic
conduits as two phases can not cancel out magnetic field
and metalic conduit can induce voltage which can lead to
fatal accident.

Answer / answer

If you run the wires of two different phases, under short
circuit or fault in one of the phases can affect the another
one.

Answer / g. das

For safety during maintenance and protect short ckt from 440v

Answer / guest

i have no ans

Answer / anil

kindly re-chk the question.

Answer / binod bhanj

please clear the question

Answer / eswar

because of internal problems

Answer / k.prakashchandra

Because we have only single and three phase circuits or
systems and not two phase.

i am going to attaned the engineer (disign)iterview at HAL please give me duid line

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