Question 10047 of 731 · Texas Journeyman Electrician Exam
A single PV string has modules with an Isc of 10 amperes. What is the minimum conductor ampacity before adjustment and correction, applying both 125 percent factors?
Exactly one answer is correct.
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Correct answer to question 10047
- D: 15.6 amperes
Explanation
First the maximum current is 10 A x 1.25 = 12.5 A. Conductors must then carry 125 percent of that maximum current for continuous duty: 12.5 A x 1.25 = 15.6 A, which is the same as Isc x 1.56.
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