NABCEP PVIP - PV Installation Professional (PVIP) Board Certification

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NABCEP PVIP Exam Syllabus Topics:

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

1. Per NEC 690.8, a PV source circuit has an Isc of 9.5A. What is the minimum ampacity required for the conductor?

A) 14.25A
B) 9.5A
C) 15.0A
D) 11.875A

2. A PV technician is installing a 6.5KWac inverter using a 40A backfed breaker. The single line shows a 200A panelboard with a 200A breaker, but the installer finds that the panelbord actually has a 150A main breaker.
Which of the following is the CORRECT installation option?

A) Replace the 200A panel with a 150A panel.
B) Change the main circuit breaker to a 200A unit.
C) Complete the installation as noted above.
D) Install a 30A backfed circuit breaker.

3. A 10 kW PV array uses 300W modules with a Voc of 40V and an Isc of 9A. The inverter has a maximum DC input of 600V and 25A. What is the maximum number of modules that can be connected in a single string?

A) 12
B) 16
C) 15
D) 14

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

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

5. A PV system requires labeling per NEC 690.56. Which of the following must be posted at the point of interconnection?

A) "Maximum AC Voltage"
B) "PV System Disconnect"
C) "Do Not Disconnect Under Load"
D) "Warning: Dual Power Sources"

Solutions: