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NABCEP PVIP Exam Syllabus Topics:

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

Question 1

A PV array's tilt is 15° at a latitude of 35°N. What is the annual energy loss compared to optimal tilt?

A. 3-5%
B. 1-2%
C. 6-8%
D. 10-12%

Question 2

A rooftop PV system is proposed for a commercial building with a membrane roof. The structural engineer specifies a maximum allowable dead load of 5 psf. The PV modules weigh 3 psf, and the racking adds 1.5 psf.
What additional load can be added without exceeding the limit?

A. 1.0 psf
B. 1.5 psf
C. 0 psf
D. 0.5 psf

Question 3

A rooftop PV array uses a ballasted racking system with a total weight of 4 psf. The roof's maximum allowable load is 20 psf, including a snow load of 15 psf. Is this installation permissible?

A. No, exceeds total load
B. Yes, with no restrictions
C. Yes, if snow load is mitigated
D. No, requires structural reinforcement

Question 4

What is an arc-flash boundary?

A. The distance within which qualified personnel can safely perform bare-handed work on exposed energized electrical equipment operating at 50 volts or more.
B. The approach limit distance within which a person could receive a second-degree burn in the event that an electrical arc flash were to occur
C. The approach limit distance within which inadvertent movement exposes personnel to increase ris due to electrical arc-over potential.
D. The approach limit distance from energized electrical equipment within which a person is considered to be exposed to full circuit voltage.

Question 5

When performing a system checkout after completing the installation, what is the SAFEST sequence of tasks to detect installation errors before closing any disconnects to the inverter, charge controller, or batteries?

A. Perform visual inspection, check polarity and measure open-circuit voltage.
B. Perform visual inspection, install source circuit fuses, and measure open-circuit voltage.
C. Install source circuit fuses, verify that all equipment-grounding conductors are secure, and measure ac line voltage.
D. Perform visual inspection, install source circuit fuses, and measure open-circuit current.

Solutions: