What is the maximum allowable temperature rating for conductors in a combiner box that can reach 60°C under normal operation?

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Multiple choice — select the best answer

A90°C
B105°C
C75°C
D60°C

✓ Correct answer: C. 75°C Conductors used in a combiner box that can reach 60°C should have a temperature rating of at least 75°C to ensure safe operation and prevent insulation degradation.

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