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NABCEP PVIP Exam Syllabus Topics:

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

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

2. 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) 6-8%
C) 10-12%
D) 1-2%

3. What is an arc-flash boundary?

A) The approach limit distance from energized electrical equipment within which a person is considered to be exposed to full circuit voltage.
B) The distance within which qualified personnel can safely perform bare-handed work on exposed energized electrical equipment operating at 50 volts or more.
C) 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
D) The approach limit distance within which inadvertent movement exposes personnel to increase ris due to electrical arc-over potential.

4. A homeowner is concerned that a 6kWdc PV system might be experiencing a performance issue. The homeowner has noticed what appears to be declining production. The installer analyzes the following data acquisition system (DAS) results for each year since the installation:

Given the data, which is the MOST likely conclusion to draw?

A) There is an intermittent inverter failure that is causing production to be lower than expected and the inverter should be repaired.
B) A combination of normal module degradation combined with cloudy weather has caused lower output in the past few years.
C) The system has experienced above-average degradation and a module warranty claim should be explored.
D) There is a problem with the DAS because the peak sun hours do not correlate with production values and the das should be repaired.

5. An installer is working on a 1000V DC PV array. What is the minimum PPE required per NFPA 70E for arc flash protection?

A) Category 4 PPE
B) Category 1 PPE
C) Category 2 PPE
D) Category 3 PPE

Solutions: