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NABCEP PVIP Exam Syllabus Topics:

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

1. A PV system's capacity factor is 18%. The array is 10 kW, and it operates 365 days/year. What is the annual energy output?

A) 15,768 kWh
B) 12,264 kWh
C) 21,024 kWh
D) 18,000 kWh

2. What is an arc-flash boundary?

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

3. A PV array is installed with a rapid shutdown system per NEC 690.12. The array is 15 feet from the service entrance. What is the maximum voltage allowed within the array boundary 30 seconds after shutdown initiation?

A) 240V
B) 80V
C) 120V
D) 30V

4. An installer was asked to provide a means to measure the voltage of each battery in a system. The bank is located 50 ft.
From the data logger. The installer will be using shielded. Twisted pairs of instrumentation wiring, all run in the bundle a conduct.
The signals are connected to isolated and ungrounded inputs at a data logger. Which safely precaution is MOST needed to protect the instrumentation wiring?

A) Individual nonfused disconnects are required for each set of wiring because all of the signals must be isolated from each other.
B) Each set of twisted pairs must be provided with properly rated fuses that are physically located at the battery.
C) An appropriately rated and sized of resistive elements for each twisted pair be located at, or very near to, the data logger terminals
D) The instrument wiring must be large (larger than # 18 AWG) to handle current from each battery and must be a double- insulated type.

5. A PV system is designed with a 48V battery bank and a 5 kW inverter. The load requires 20 kWh/day, and the system must have 2 days of autonomy with a maximum depth of discharge (DoD) of 50%. What is the minimum battery capacity required in Ah?

A) 1000 Ah
B) 417 Ah
C) 833 Ah
D) 1667 Ah

Solutions: