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

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On an overhead distribution feeder, increasing conductor size from 1/0 AWG ACSR to 4/0 AWG ACSR, with the same span and similar tension as a percent of rated strength, will generally:

reduce ampacity and increase sag because the wire is heavier increase ampacity and require a new sag-tension check because weight and diameter both change leave ampacity and sag unchanged because ACSR always sags the same eliminate the need for a steel core

Correct Answer:

increase ampacity and require a new sag-tension check because weight and diameter both change

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