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NABCEP PVIP Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Operations & Maintenance | 13% | - Preventive maintenance procedures - Safety and maintenance documentation - Troubleshooting and fault diagnosis - System performance monitoring and reporting |
| System Commissioning | 17% | - Performance validation and documentation - Pre-commissioning verification
|
| Installation | 38% | - Labeling, marking and documentation
|
| System Design | 32% | - Site assessment and analysis
|
NABCEP PV Installation Professional (PVIP) Board Certification Sample Questions:
A string inverter fails to start in the morning. The DC input voltage is 200V, below the minimum start voltage of 250V. What should be checked first?
- A. Inverter firmware
- B. AC breaker position
- C. Module temperature
- D. String sizing
Correct Answer: D 🗳️
A PV system is installed on a dwelling with a single-phase 240V service. The inverter output is 7.2 kW. What is the minimum service conductor size per NEC 705.12 if the existing load is 50A?
- A. 2/0 AWG
- B. 1 AWG
- C. 2 AWG
- D. 1/0 AWG
Correct Answer: D 🗳️
A grid-interactive PV system with battery backup is being installed with a ground-mounted PV array located
200 ft, from the inverter and batteries. The dc PV output circuit has overcuit has overcurrent protection rated from 30A. To reduce voltage drop between the array and batteries, the output circuit wire size was determined to be 6 AWG. The fused dc disconnect between the inverted and batteries is rated for 300A. What is the required size of the equipment grounding conductor between the metal battery case and the inverter?
- A. 10 AWG
- B. 4 AWG
- C. 6 AWG
- D. 8 AWG
Correct Answer: B 🗳️
A homeowner is weighing the PV module options for a roof-mounted solar array. Which is a correct option to present to the homeowner?
- A. Rapid shutdown requirements within 1 ft of the array boundary.
- B. Building-integrated PV shingles will be flush or nearly flush with other shingles, but the electrical energy produced will be less than polycrystalline or monocrystalline modules.
- C. Polycrystalline modules are more shade-tolerance than either amorphous or monocrystalline modules and allow a larger array to be installed, including in area where shading could be seasonally problematic.
- D. Microinverters can be installed with either polycrystalline or monocrystalline modules, negating the need for rapid shutdown compliance.
Correct Answer: D 🗳️
A module's Isc is 8.5A at STC. At 1200 W/m², what is the Isc?
- A. 11.5A
- B. 10.2A
- C. 9.5A
- D. 10.8A
Correct Answer: B 🗳️
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