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NABCEP PVIP Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Codes and Standards | - Safety Standards (OSHA) - National Electrical Code (NEC) - Local Regulations |
| PV System Operation and Maintenance | - System Monitoring - Emergency Procedures - Preventive Maintenance |
| PV System Installation | - Mechanical Integration - Grounding - Labeling - Electrical Integration |
| PV System and Electrical Fundamentals | - Electrical Concepts - PV Module Characteristics - PV System Components |
| PV System Design | - System Sizing - Electrical Design - Site Assessment - Array Layout |
| PV System Commissioning and Inspection | - System Verification - Troubleshooting - Testing Procedures |
NABCEP PV Installation Professional (PVIP) Board Certification Sample Questions:
A PV system installation utilizes micro inverters connected to each module of the array. Each micro inverter has a nominal rated output of 250WV. Single phase. The microinverters are listed so that multiple inverters may be connected in parallel to a single feeder circuit, and each inverter has an cable and connector rated for
30A. What is the MAXIMUM number of inverters that may be wired together on a single 30A feeder circuit?
- A. 15
- B. 23
- C. 28
- D. 17
Correct Answer: B 🗳️
How should stratification be eliminated in a set of large, stationary, stationary flooded lead-acid batteries?
- A. Enable equalization.
- B. Rotate the battery positions
- C. Add 50% diluted sulfuric acid.
- D. Discharge to 80 depth of discharge.
Correct Answer: A 🗳️
A rooftop PV array has conductors running through a conduit exposed to sunlight on a roof with an ambient temperature of 40°C. The conduit is 2 inches above the roof surface. What is the NEC temperature adjustment factor for 90°C-rated conductors?
- A. 1.00
- B. 0.91
- C. 0.87
- D. 0.96
Correct Answer: C 🗳️
An installer troubleshooting a ground-mounted array finds It to be performing as expected most of the time, but a ground-fault error is indicated on hot days. The inverter is in a shaded location. Which of the following should the installer check for FIRST when troubleshooting this array?
- A. Intermittent ground connections
- B. Loose module connections
- C. Pinched module wiring
- D. High voltage
Correct Answer: C 🗳️
An installer is sizing conductors for a 200-foot PV source circuit with a current of 8A at 400V DC. The design specifies a 1.5% voltage drop using copper wire at 30°C. What is the minimum wire size required?
- A. 10 AWG
- B. 6 AWG
- C. 8 AWG
- D. 12 AWG
Correct Answer: A 🗳️
