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NABCEP PVIP Exam Syllabus Topics:

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

1. A dwelling has a 200A main load center with a 150 main breaker. Which of the following is the MOST powerful 240V inverter that can be installed in the house using the existing main panelboard with a backfed breaker?

A) 9, 600W
B) 17, 280W
C) 21, 600W
D) 7, 689W

2. A PV module has a NOCT of 47°C. At 1000 W/m² and 35°C ambient, what is the cell temperature?

A) 59°C
B) 63°C
C) 55°C
D) 47°C

3. 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 from energized electrical equipment within which a person is considered to be exposed to full circuit voltage.
C) The distance within which qualified personnel can safely perform bare-handed work on exposed energized electrical equipment operating at 50 volts or more.
D) 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

4. A PV technician is installing a 6.5KWac inverter using a 40A backfed breaker. The single line shows a 200A panelboard with a 200A breaker, but the installer finds that the panelbord actually has a 150A main breaker.
Which of the following is the CORRECT installation option?

A) Change the main circuit breaker to a 200A unit.
B) Complete the installation as noted above.
C) Install a 30A backfed circuit breaker.
D) Replace the 200A panel with a 150A panel.

5. Which electrical connection requires the use of a torque device to complete the connection per NEC requirements?

A) Crimp-on log to the battery cable
B) Screw terminals on an ac receptacle outlet
C) Underground direct-burial twist-on wire connector
D) Soldered splices in a conduit body

Solutions: