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NABCEP PVIP Exam Syllabus Topics:

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

1. An installer is terminating PV conductors in a combiner box. What is the minimum torque specification for a
10 AWG connection if not specified by the manufacturer?

A) 30 in-lb
B) 40 in-lb
C) 10 in-lb
D) 20 in-lb

2. A PV array's output drops by 8% due to shading from 10 AM to 2 PM. If unshaded output is 12 kW, what is the shaded output?

A) 10.6 kW
B) 11.0 kW
C) 10.0 kW
D) 11.2 kW

3. A module's power drops by 0.5%/year. After 10 years, what is the output if the original power is 320W?

A) 310W
B) 288W
C) 304W
D) 316W

4. A tap conduct is to be connected to a feeder supplied by both a utility service source and a utility-interactive inverter source. The feeder utility source is a 400A breaker in a service panel, the inverter overcurrent protection device is rated at 100A, and the inverter continuous output current is 72. The tap conductor that is to be installed will be 17 ft. long. It will be located in a raceway and will supply a subpanel with a 50A main breaker.
What is the MINIMUM required ampacity of the tap conductor?

A) 163
B) 72
C) 50A
D) 400A

5. A 5 kW system has a PR of 0.80 and operates at 4.5 PSH. What is the monthly energy output?

A) 720 kWh
B) 600 kWh
C) 540 kWh
D) 675 kWh

Solutions: