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NABCEP PVIP Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| PV System Installation | - Electrical Integration - Grounding - Labeling - Mechanical Integration |
| PV System Design | - System Sizing - Site Assessment - Electrical Design - Array Layout |
| PV System Commissioning and Inspection | - Testing Procedures - Troubleshooting - System Verification |
| PV System and Electrical Fundamentals | - PV System Components - PV Module Characteristics - Electrical Concepts |
| PV System Operation and Maintenance | - Emergency Procedures - System Monitoring - Preventive Maintenance |
| Codes and Standards | - Local Regulations - National Electrical Code (NEC) - Safety Standards (OSHA) |
NABCEP PV Installation Professional (PVIP) Board Certification Sample Questions:
1. 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) 8.5 kW
B) 9.0 kW
C) 7.5 kW
D) 10.0 kW
2. A PV system includes a 600V DC disconnect with a fault current rating of 10 kA. The available fault current from the inverter is 12 kA. What must be done to comply with NEC 110.10?
A) Reduce the array size to lower fault current
B) Install a current-limiting fuse upstream
C) No action needed; the rating is sufficient
D) Replace the disconnect with a 15 kA-rated unit
3. A module's Isc is 9A at STC. At 600 W/m² irradiance, what is the expected Isc?
A) 6.0A
B) 5.4A
C) 7.2A
D) 6.3A
4. A 15 kW array has a PR of 0.88 and 1600 kWh/m²/year insolation. What is the annual output?
A) 22,440 kWh
B) 24,000 kWh
C) 21,120 kWh
D) 19,800 kWh
5. During commissioning, a PV system's measured Voc is 10% lower than expected. What is the most likely cause?
A) Inverter malfunction
B) High ambient temperature
C) Shading on one module
D) Open circuit in a string
Solutions:
| Question # 1 Answer: A | Question # 2 Answer: D | Question # 3 Answer: B | Question # 4 Answer: C | Question # 5 Answer: D |
