Question 12100 of 925 · California General Electrician Exam

Under NEC 2020/2023 220.87, what is the shortest demand recording period permitted where 1-year data is not available?

Exactly one answer is correct.

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Correct answer to question 12100

  • D: 30 days

Explanation

If one year of maximum demand data is not available, 220.87 permits a load study over at least 30 days, recorded as the maximum average demand in 15-minute intervals, taken at 125 %.

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