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NABCEP PVIP Exam Syllabus Topics:

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

1. A PV system's inverter displays a ground-fault error. What is the first troubleshooting step?

A) Verify DC disconnect operation
B) Check array insulation resistance
C) Inspect AC wiring
D) Replace the inverter

2. Which of the following voltages should be included on the dc disconnected label to indicate MAXIMUM system voltage?

A) Non-temperature-corrected V
B) Source circuit V
C) Temperature-corrected V
D) 600 V

3. Which of the following is the required MINIMUM width of the working space In front of ac disconnect equipment?

A) 36 in. from the top of the ungrounded inverter terminals
B) 30 in. or the width of the ac disconnect, whichever is greater
C) 30 in. from all exposed live parts and terminals
D) 36 in. from the right and left edges of the inverter

4. A site has an average wind speed of 25 mph and is classified as Exposure Category C per ASCE 7. What is the minimum wind design speed for the PV array structure?

A) 90 mph
B) 150 mph
C) 130 mph
D) 110 mph

5. A microinverter system uses 30 modules, each rated at 320W, with an inverter efficiency of 96%. The AC output is connected to a 208V three-phase service. What is the total three-phase power output?

A) 9.6 kW
B) 8.8 kW
C) 10.0 kW
D) 9.2 kW

Solutions: