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NABCEP PVIP Exam Syllabus Topics:

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) Monitor performance
D) Disconnect the string

2. In the middle of a winter day, the data acquisition system for a ground-mounted PV system with large central inverters sends an email alert that system performance is at 50% based on irradiance and temperature performance calculations. No inverters are completely offline. The closed technician is a 4-hour drive from the site, and there are no cameras on site. Which is the BEST response to this situation?

A) Call the data acquisition company to report a monitoring system failure.
B) Review power output and weather conditions via the monitoring portal, and review local weather reports.
C) Report the low performance to the inverter manufacturer and request that a technical be sent to the site for a warranty claim.
D) Dispatch the technician to the site t investigate the low performance issue in person.

3. Thermal imaging infrared cameras can be used to help find which of the following system operational issues?

A) Blind spot fault in a source circuit
B) Loose PV input circuit terminations in a combiner box
C) Battery state of charge in a multimode system
D) Intensity of solar insolation to determine power output

4. A PV system interconnects at a 480V three-phase service. The inverter output current is 20A per phase. What is the minimum size of the equipment grounding conductor (EGC) per NEC 250.122 if the OCPD is 30A?

A) 12 AWG
B) 8 AWG
C) 10 AWG
D) 14 AWG

5. A homeowner is weighing the PV module options for a roof-mounted solar array. Which is a correct option to present to the homeowner?

A) Microinverters can be installed with either polycrystalline or monocrystalline modules, negating the need for rapid shutdown compliance.
B) Rapid shutdown requirements within 1 ft of the array boundary.
C) Building-integrated PV shingles will be flush or nearly flush with other shingles, but the electrical energy produced will be less than polycrystalline or monocrystalline modules.
D) Polycrystalline modules are more shade-tolerance than either amorphous or monocrystalline modules and allow a larger array to be installed, including in area where shading could be seasonally problematic.

Solutions: