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NABCEP PVIP Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Topic 1: Codes and Standards | - Local Regulations - National Electrical Code (NEC) - Safety Standards (OSHA) |
| Topic 2: PV System and Electrical Fundamentals | - PV System Components - PV Module Characteristics - Electrical Concepts |
| Topic 3: PV System Design | - Site Assessment - Electrical Design - Array Layout - System Sizing |
| Topic 4: PV System Operation and Maintenance | - Emergency Procedures - Preventive Maintenance - System Monitoring |
| Topic 5: PV System Installation | - Labeling - Electrical Integration - Grounding - Mechanical Integration |
| Topic 6: PV System Commissioning and Inspection | - System Verification - Testing Procedures - Troubleshooting |
NABCEP PV Installation Professional (PVIP) Board Certification Sample Questions:
A system's inverter efficiency drops from 97% to 94% due to aging. What is the percentage increase in energy loss?
- A. 4.5%
- B. 6.0%
- C. 2.1%
- D. 3.2%
Correct Answer: D 🗳️
A racking system is designed for a wind speed of 120 mph. The site's design wind speed increases to 130 mph. What is the percentage increase in wind pressure?
- A. 33%
- B. 25%
- C. 17%
- D. 10%
Correct Answer: C 🗳️
A metal condult containing an array circuit with Vmo of 400Vdc is connected to a metal enclosure at the location where the concentric knockouts have been punched by the manufacturer. Which method of attachment should be used?
- A. Sealing locknut
- B. Grounding bushing
- C. Insulated bushing
- D. Threaded coupling
Correct Answer: B 🗳️
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. 0.96
- B. 1.00
- C. 0.91
- D. 0.87
Correct Answer: D 🗳️
A rooftop PV system is proposed for a commercial building with a membrane roof. The structural engineer specifies a maximum allowable dead load of 5 psf. The PV modules weigh 3 psf, and the racking adds 1.5 psf.
What additional load can be added without exceeding the limit?
- A. 1.0 psf
- B. 0.5 psf
- C. 1.5 psf
- D. 0 psf
Correct Answer: B 🗳️
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