Question 4108 of 731 · Texas Journeyman Electrician Exam
When 90 C rated THHN conductors are installed with 75 C terminations, what is the 90 C ampacity used for?
Exactly one answer is correct.
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Correct answer to question 4108
- D: As the starting value for adjustment and correction factors
Explanation
110.14(C) allows conductors with higher temperature ratings to use their higher ampacity for ampacity adjustment, correction or both. The final result may not exceed the ampacity at the termination temperature.
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