In a balanced three-phase system, the conductors need be only about _____ the size of conductors for a single-phase, two-wire system of the same kilovolt-ampere (kVA) rating.
A) 25 percent
B) 30 percent
C) 50 percent
D) 75 percent

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The Answer of In a balanced three-phase system, the conductors need be only about _____ the size of conductors for a single-phase, two-wire system of the same kilovolt-ampere (kVA) rating.
A) 25 percent
B) 30 percent
C) 50 percent
D) 75 percent

In a Balanced Three-Phase System, the Conductors Need Be Only