Question 13062 of 749 · Maryland Journeyperson Electrician Exam

What ambient temperature correction factor applies to a 75 °C rated conductor at an ambient of 38 °C (tables based on 30 °C)?

Exactly one answer is correct.

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Correct answer to question 13062

  • B: 0.88

Explanation

In the 75 °C column, the factor for 36 to 40 °C is 0.88. 0.91 is the 90 °C column value for the same range, and 0.94 belongs to 31 to 35 °C.

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