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NABCEP PVIP Exam Syllabus Topics:

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

1. A rooftop PV system is being installed on a residential building with a 30-degree tilt angle. The modules are oriented directly south in a location where the solar noon altitude on December 21st is 30 degrees. What is the minimum distance required between two rows of modules to avoid shading between 9 AM and 3 PM solar time, assuming the module height is 3 feet?

A) 9 feet
B) 3 feet
C) 6 feet
D) 12 feet

2. A PV array is installed with a rapid shutdown system per NEC 690.12. The array is 15 feet from the service entrance. What is the maximum voltage allowed within the array boundary 30 seconds after shutdown initiation?

A) 120V
B) 30V
C) 240V
D) 80V

3. A module's Isc is 9A at STC. At 600 W/m² irradiance, what is the expected Isc?

A) 6.0A
B) 7.2A
C) 5.4A
D) 6.3A

4. When installing a ground-mounted PV array, which of the following grounding methods complies with NEC Article 690 requirements for equipment grounding?

A) Using a grounding electrode conductor connected to a separate ground rod for each array
B) Bonding all metal parts to the equipment grounding conductor tied to the main service ground
C) Installing a ground-fault circuit interrupter (GFCI) on the DC side of the system
D) Connecting the module frames to the racking with bare copper wire only

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

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

Solutions: