Secondary system - Use of 3 phase 4 wire system

Q.  Which of these systems uses the 3 phase 4 wire system?
- Published on 23 Nov 15

a. Primary distribution
b. Secondary distribution
c. Primary transmission
d. Secondary transmission

ANSWER: Secondary distribution

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    Discussion

  • Mesta mudzorwi   -Posted on 08 Mar 21
    Very educative

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