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Prepare PVIP Question Answers Free Update With 100% Exam Passing Guarantee [2026]
NEW QUESTION # 89
The AHJ for enforcement of the NEC has which responsibility?
- A. Inspecting factory-installed wire and equipment construction methods
- B. Inspecting installations under the exclusive control of the electric utility
- C. Approval equipment installation methods for efficiency, convenience, and adequacy for good service
- D. Making interpretations of the rules and deciding on approval of equipment and material
Answer: D
NEW QUESTION # 90
A homeowner is concerned that a 6kWdc PV system might be experiencing a performance issue. The homeowner has noticed what appears to be declining production. The installer analyzes the following data acquisition system (DAS) results for each year since the installation:
Given the data, which is the MOST likely conclusion to draw?
- A. A combination of normal module degradation combined with cloudy weather has caused lower output in the past few years.
- B. There is a problem with the DAS because the peak sun hours do not correlate with production values and the das should be repaired.
- C. There is an intermittent inverter failure that is causing production to be lower than expected and the inverter should be repaired.
- D. The system has experienced above-average degradation and a module warranty claim should be explored.
Answer: A
NEW QUESTION # 91
A system's specific yield is 1500 kWh/kW. If the array is 8 kW, what is the annual output?
- A. 12,000 kWh
- B. 10,000 kWh
- C. 14,000 kWh
- D. 16,000 kWh
Answer: A
NEW QUESTION # 92
A PV system produces 12,000 kWh annually at a site with 1500 kWh/m²/year insolation. The array area is 50 m². What is the system efficiency?
- A. 18%
- B. 14%
- C. 16%
- D. 12%
Answer: C
NEW QUESTION # 93
A 5 kW system has a PR of 0.80 and operates at 4.5 PSH. What is the monthly energy output?
- A. 600 kWh
- B. 720 kWh
- C. 675 kWh
- D. 540 kWh
Answer: D
NEW QUESTION # 94
A 7KW/ 14 KWh multimode system has been installed at a residence, ac-couple with the customer's existing
6.7kwh ac PV system. The system providers uninterrupted power to a protect loads subpanel, which is connected to a refrigerator, Microwave, 1.0 ton are conditioner, three lightning circuit, and the 6.7kwac PV system. One month later, the homeowner moves additional circuits to the protected loads subpanel, substantially increasing the loads. Why would this cause, the backfed interconnection breaker in the main service panel to trip?
- A. The load «the protected loads subpanel exceeds the PV system ac rating by 25%.
- B. The total load exceeds the system's energy storage capacity of 14kWh.
- C. The toad exceeds the capacity of the interconnection breaker.
- D. The main service panel is no longer compliant with NCC 705.12.
Answer: C
NEW QUESTION # 95
Which temperature coefficient is used in the calculation to verify energy production of a PV system?
- A.
- B.
- C.
- D.
Answer: B
NEW QUESTION # 96
A 15 kW system has a total derate factor of 0.87. After 3 years at 1% degradation/year, what is the output?
- A. 13.2 kW
- B. 13.0 kW
- C. 12.6 kW
- D. 12.8 kW
Answer: D
NEW QUESTION # 97
A rooftop PV system is being installed on a residential building with a 30-degree tilt angle. The modules are oriented directly south in a location where the solar noon altitude on December 21st is 30 degrees. What is the minimum distance required between two rows of modules to avoid shading between 9 AM and 3 PM solar time, assuming the module height is 3 feet?
- A. 12 feet
- B. 3 feet
- C. 9 feet
- D. 6 feet
Answer: D
NEW QUESTION # 98
On a PV system larger than 100kw, which PV array design will provide the HIGHEST degree of performance monitoring.
Granularity, and ease of troubleshooting performance issues?
- A. Multiple-string inverter system with data acquisition system located at each inverter.
- B. Central inverter with data acquisition system located at the inverter.
- C. Multiple-string inverter system with data acquisition system located at each dc combiner
- D. Multiple-string inverter system with monitored dc-to-dc converters located at each module
Answer: C
NEW QUESTION # 99
A project is using a PV module with a 25-38dc maximum power voltage range and a single input inverter with an operating windows of 250vdc-450dc. The dwelling the system is to be installed on has a 5:12 roof with a southeastem face that can accommodate 14 modules and southwestern face that can accommodate 10 modules.
What is the MAXIMUM number of modules that can be installed for proper inverter maximum power point tracking?
- A. 0
- B. 1
- C. 2
- D. 3
Answer: A
NEW QUESTION # 100
When installing an ungrounded PV system with an open-circuit voltage of 450Vdc and a maximum voltage of
3000Vdc which procedures should be followed to establish an electrically safe condition?
- A. Apply lockout/tagout devices and install a listed isolation transformer.
- B. Mount inverters on nonconductive supports and temporarily ground one dc circuit conductor.
- C. Verify that disconnecting device blades are closed and test conductors using an adequately rated detector.
- D. Determine possible sources electrical supply an avoid exposure to energized conductors or parts.
Answer: D
NEW QUESTION # 101
The following dc portion of a PV schematic (functionally grounded conductor not shown) is submitted to the building official for permit approval. The building official, who also is he AHJ, allow the system to be installed by requiring what NEC-required MINIMUM size equipment grounding conductor at Location A?
- A. #8 copper
- B. #12 aluminum
- C. #6 aluminum
- D. #10 copper
Answer: D
NEW QUESTION # 102
A 20 kW system has a measured output of 18 kW at STC. What is the total system loss?
- A. 5%
- B. 10%
- C. 15%
- D. 20%
Answer: B
NEW QUESTION # 103
A PV system uses 10 AWG USE-2 wire for a 150-foot source circuit run with an Isc of 8A. The terminals are rated at 75°C. What is the ampacity of the conductor after applying NEC temperature and conduit fill adjustments at 35°C?
- A. 35A
- B. 45A
- C. 30A
- D. 40A
Answer: A
NEW QUESTION # 104
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