SC Public Utilities Electrical Practice Questions - South Carolina Public Utilities - Electrical Contractor Examination Exam

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A conductor weighs 0.40 lb/ft, the span is 300 ft, and the horizontal tension is 2,500 lb. Using the parabolic sag formula d = wS² / 8T, what is the sag?

0.90 ft 1.8 ft 3.6 ft 7.2 ft

Correct Answer:

1.8 ft

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