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PVIP NABCEP PV Installation Professional (PVIP) Board Certification Free Practice Exam Questions (2025 Updated)

Prepare effectively for your NABCEP PVIP PV Installation Professional (PVIP) Board Certification certification with our extensive collection of free, high-quality practice questions. Each question is designed to mirror the actual exam format and objectives, complete with comprehensive answers and detailed explanations. Our materials are regularly updated for 2025, ensuring you have the most current resources to build confidence and succeed on your first attempt.

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Total 160 questions

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

A.

Intensity of solar insolation to determine power output

B.

Battery state of charge in a multimode system

C.

Blind spot fault in a source circuit

D.

Loose PV input circuit terminations in a combiner box

A grounding electrode is required at the location of all ground-mounted and pole-mounted PV arrays. Which type of grounding electrode is NOT permitted for arrays. Which type of the grounding electrode is NOT permitted for array grounding?

A.

Concrete-encased 4 AWG copper conductor at least 20 ft, in length

B.

Aluminum structural member in direct contact with the earth for 10ft, or more

C.

Metal underground water pipe in direct contact with the earth for 10 ft. or more.

D.

Metal frame of a building or structure in direct with the earth for 10 ft. or more.

Which of the following MUST be referenced for determining a site’s design wind speed?

A.

The NEC version in effect

B.

The jurisdiction’s local building code in effect

C.

The ASHRAE Handbook_fundamentals in effect

D.

The module manufacture’s design wind speed

A dwelling has a 200A main load center with a 150 main breaker. Which of the following is the MOST powerful 240V inverter that can be installed in the house using the existing main panelboard with a backfed breaker?

A.

7, 689W

B.

9, 600W

C.

17, 280W

D.

21, 600W

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.

3 feet

B.

6 feet

C.

9 feet

D.

12 feet

According to the 2020 National Electrical Code (NEC), what is the minimum required working clearance in front of a 1000V DC PV inverter installed in a non-dwelling unit?

A.

30 inches wide, 36 inches deep

B.

36 inches wide, 36 inches deep

C.

36 inches wide, 48 inches deep

D.

48 inches wide, 48 inches deep

On a PV system larger than 100kw, which PV array design will provide the HIGHEST degree of performance monitoring.

Granularity, and ease of troubleshooting performance issues?

A.

Central inverter with data acquisition system located at the inverter.

B.

Multiple-string inverter system with data acquisition system located at each inverter.

C.

Multiple-string inverter system with data acquisition system located at each dc combiner

D.

Multiple-string inverter system with monitored dc-to-dc converters located at each module

Per NEC 690.11, what is the maximum allowable DC voltage for a PV system requiring arc-fault circuit protection?

A.

80V

B.

150V

C.

600V

D.

1000V

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Total 160 questions
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