NABCEP PVIP Actual Free Exam Questions & Community Discussion
A PV system has a 1000V DC array feeding a transformerless inverter. What is the minimum insulation rating for the DC conductors per NEC 690.35?
Correct Answer: B
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Which of the following is the required MINIMUM width of the working space In front of ac disconnect equipment?
Correct Answer: C
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A PV system's capacity factor is 18%. The array is 10 kW, and it operates 365 days/year. What is the annual energy output?
Correct Answer: B
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A PV system uses 10 AWG USE-2 wire for a 150-foot source circuit run with an Isc of 8A. The terminals are rated at 75°C. What is the ampacity of the conductor after applying NEC temperature and conduit fill adjustments at 35°C?
Correct Answer: D
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An installer is working on a 1000V DC PV array. What is the minimum PPE required per NFPA 70E for arc flash protection?
Correct Answer: C
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The NEC requires that PV systems installed on dwellings incorporate which of the following components?
Correct Answer: D
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A PV array is located 8 feet from a property line. What is the minimum height above ground for exposed DC conductors per NEC 690.31?
Correct Answer: C
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With all other environmental parameters being the same, which would be the expected reduction in KM performance of a PV system after an irradiance drop from 810w/m2 to 740w/m2?
Correct Answer: B
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