NABCEP NABCEP Board PVIP

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

1. A maintenance inspection reveals cracked module glass. What is the immediate action?

A) Monitor performance
B) Apply sealant to cracks
C) Disconnect the string
D) Replace the module

2. A PV system has a nameplate capacity of 10 kW DC and operates with a total system derate factor of 0.85.
What is the expected AC output power under standard test conditions (STC)?

A) 10.0 kW
B) 8.5 kW
C) 9.0 kW
D) 7.5 kW

3. A commercial 600v carport-mounted PV system is installed with rigid running under the parking lot to an inverter pad located at the edge of the parking lot. At what depth below the parking lot base MUST condult be buried?

A) 24 in.
B) 12 in.
C) 36 in.
D) 18 in.

4. A 20 kW system has a measured output of 18 kW at STC. What is the total system loss?

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

5. A rooftop PV array uses a ballasted racking system with a total weight of 4 psf. The roof's maximum allowable load is 20 psf, including a snow load of 15 psf. Is this installation permissible?

A) Yes, if snow load is mitigated
B) No, requires structural reinforcement
C) Yes, with no restrictions
D) No, exceeds total load

Solutions: