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NABCEP PVIP Exam Syllabus Topics:

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

Question 1

Which load path connections need to be analyzed when determining live and dead loads on a PV array system installed directly to a metal seam roof?

A. Module to rail, rail to roof sheathing, roof sheathing to wall, wall to base plate/foundation system
B. Module to rail to metal seam roof, metal seam roof to top plate system
C. Module to rail to metal seam roof, metal seam roof sheathing/rather system.
D. Rail to metal seam roof, metal seam roof to top plate, top plate to wall system

Question 2

A PV array's tilt is 30° at a latitude of 40°N. What is the winter energy loss compared to optimal tilt?

A. 10-15%
B. 5-10%
C. 15-20%
D. 20-25%

Question 3

Which temperature coefficient is used in the calculation to verify energy production of a PV system?

A. OptionB
B. OptionA
C. OptionC
D. OptionD

Question 4

A PV system installation utilizes micro inverters connected to each module of the array. Each micro inverter has a nominal rated output of 250WV. Single phase. The microinverters are listed so that multiple inverters may be connected in parallel to a single feeder circuit, and each inverter has an cable and connector rated for
30A. What is the MAXIMUM number of inverters that may be wired together on a single 30A feeder circuit?

A. 28
B. 15
C. 23
D. 17

Question 5

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

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

Solutions: