Answer / roy

it is depend upon the loads which u r connecting to the
system. if the loads are motor loads. 3phase 3wire you can
use.
but mostly all distributions are 3phase 4wire because loads
needs neutral.

Answer / hitesh choudhary

B) 3-phase 4-wire system

Answer / murali290

3phase-4wire system

Answer / manoj_09das

i choice 3 phase-4 wire system .
is it correct answer

Answer / saeedraja

This question is only ditribution pf power
so answer is 3phase 4wire system.

Answer / kvrao(hcl)

for balanced load must be 3-phase 4- wire else the other

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