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NM CID EL-1 Practice Questions - New Mexico CID EL-1 Electrical Distribution Systems, Including Transmission Lines Examination Exam

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A level span of overhead conductor weighs 0.50 lb per foot, is 400 feet long, and is pulled to a horizontal tension of 2,500 lb. Using the parabolic sag formula s = wL² / (8T), what is the midspan sag?
Correct Answer:
4.0 feet

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