Empirical formula for spacing of conductors in aluminium conductors

Q.  What is the empirical formula employed for the determination of spacing of conductors in case of aluminium conductors?
- Published on 05 Oct 15

a. √S + V / 100
b. √S + 120 / V
c. √S + V / 150
d. √S + V / 1 kV

ANSWER: √S + V / 150

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