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NABCEP PVIP Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Operations & Maintenance | 13% | - Troubleshooting and fault diagnosis - System performance monitoring and reporting - Preventive maintenance procedures - Safety and maintenance documentation |
| System Commissioning | 17% | - Pre-commissioning verification
|
| System Design | 32% | - Component selection and specification - Grounding and bonding design
|
| Installation | 38% | - Mechanical installation
|
NABCEP PV Installation Professional (PVIP) Board Certification Sample Questions:
A 15 kW system has a total derate factor of 0.90. After 5 years, output drops by 2% annually due to degradation. What is the AC output in year 5?
- A. 13.5 kW
- B. 12.9 kW
- C. 11.5 kW
- D. 12.2 kW
Correct Answer: B 🗳️
What is an arc-flash boundary?
- A. The distance within which qualified personnel can safely perform bare-handed work on exposed energized electrical equipment operating at 50 volts or more.
- B. The approach limit distance within which inadvertent movement exposes personnel to increase ris due to electrical arc-over potential.
- C. 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
- D. The approach limit distance from energized electrical equipment within which a person is considered to be exposed to full circuit voltage.
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. 0.87
- B. 1.00
- C. 0.96
- D. 0.91
Correct Answer: A 🗳️
A site has an average wind speed of 25 mph and is classified as Exposure Category C per ASCE 7. What is the minimum wind design speed for the PV array structure?
- A. 150 mph
- B. 90 mph
- C. 130 mph
- D. 110 mph
Correct Answer: C 🗳️
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A residential PV system uses two 120.240Vac utility-interactive inverters with a sealed lead-acid battery energy backup for protected loads. The MOST important protected load consideration when operating in the backup mode is that:
- A. The stand-alone system configuration can adequately supply current to all protected load branch circuit.
- B. The protected loads must have automatic restart function.
- C. The peak current from the sealed lead- acid batteries must not exceed peak demand currents.
- D. All protected loads are connected in multiwire branch circuits.
Correct Answer: D 🗳️
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