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NABCEP PV Installation Professional (PVIP) Board Certification Sample Questions:

1. A maintenance inspection reveals cracked module glass. What is the immediate action?

A) Replace the module
B) Apply sealant to cracks
C) Disconnect the string
D) Monitor performance

2. An 8KWsc roof-mounted array is placed on a school building. The inverter is located within 1 ft, of the array boundary and has an integrated ac-and dc-disconnecting switch. The system is to be connected to a 400A load center, protected by a 400A main breaker. Which of the following MUST be included to meet NEC requirements?

A) A rapid shutdown initiation device operating contractor within 1 ft, of the array to de-energize the dc subarrays
B) A readily accessible ac-disconnecting switch, who location is identified on the system directory
C) A readily accessible dc disconnect with rapid shutdown initiation device permanently labeled
D) An ac-disconnect label with the location of the rooftop dc-disconnect switch.

3. When commissioning a PV system, which test is most critical to verify proper operation of the array before connecting to the inverter?

A) Ground-fault detection test
B) Open-circuit voltage test
C) Insulation resistance test
D) Short-circuit current test

4. A PV output circuit requires a disconnecting means per NEC 690.13. Where must it be located?

A) At the point of interconnection
B) Within 10 feet of the array
C) At the main service panel
D) Within sight of the inverter

5. A 15 kW system has a total derate factor of 0.87. After 3 years at 1% degradation/year, what is the output?

A) 12.8 kW
B) 13.0 kW
C) 13.2 kW
D) 12.6 kW

Solutions: