[Sep-2021] Pass NABCEP PVIP Exam in First Attempt Guaranteed!
Full PVIP Practice Test and 72 unique questions with explanations waiting just for you, get it now!
NEW QUESTION 31
A PV system was installed in July 2017 under the 2017 NEC. The system has a string inverter located inside a garage on a wall 10 ft, from the outside wall and 1oft, from the ac load center at the point of utility connection.
The PV system has a PV array on the roof. Which of the following represents the PV rapid shutdown system requirement for the controlled PV system conductors associated with this PV array?
- A. More than 10ft, from the PV array or more than 5 ft. in length inside the building
- B. More than 1 ft, from the VP array and more than 5 ft. In length the building.
- C. Within the array boundary and more than 3.ft from the point of entry of the building.
- D. More than 1 ft, from the PV array or more than 3 ft, from the point of entry of the building.
Answer: D
NEW QUESTION 32
A PV connection is being made at the center of a 300 ft. long 200 feeder. See the attack diagram. The feeder originates in the upper third of the 800A main service panel (800A main breaker) with a 200A breaker and terminates in a 200A main-lug-only subpanel. The rated output of the PV system inverter is 100A.
Which are the NIMUMUM actions required to achieve an NEC-compliant installation?
- A. Install a 200A breaker at the PV source connection point on the portion on the portion of the feeder toward the subpanel and move the 200A breaker to the top of the main service panel, adjust to the 800A main breaker.
- B. Install a 200A breaker at the PV source connection point on the portion of the feeder toward the subpanel, maintain the capacity of the entire feeder, and move the 200A breaker to the bottom of the main service panel, away from the 800A main breaker.
- C. Install a 325A at the PV source connection point on the portion of the feeder toward the subpanel, increase the capacity of this portion of the feeder to 325A, add a 200A main breaker to the subpanel, and move the 200A breaker to bottom of the main service panel, away from the 800A main breaker.
- D. Install a 325A breaker at the PV source connection point on the portion of the feeder toward the subpanel. Increase thecapacityof the feeder from the main panel board to 325A breaker to the bottom of the main service panel, away from the 800 main breaker.
Answer: D
NEW QUESTION 33
A homeowner is weighing the PV module options for a roof-mounted solar array. Which is a correct option to present to the homeowner?
- A. Polycrystalline modulesare more shade-tolerance than eitheramorphous or monocrystalline modules and allow a larger array to be installed, including in area where shading could be seasonally problematic.
- B. Microinverters can be installed with either polycrystalline or monocrystalline modules, negating the need for rapid shutdown compliance.
- C. Rapid shutdown requirements within 1 ft of the array boundary.
- D. Building-integrated PV shingles will be flush or nearly flush with other shingles, but the electrical energy produced will be less than polycrystalline or monocrystalline modules.
Answer: B
NEW QUESTION 34
Which electrical connection requires the use of a torque device to complete the connection per NEC requirements?
- A. Screw terminals on an ac receptacle outlet
- B. Underground direct-burial twist-on wire connector
- C. Crimp-on log to the battery cable
- D. Soldered splices in a conduit body
Answer: C
NEW QUESTION 35
According to the NEC, if the PV system disconnect and the building service disconnect are at different locations, there MUST be a/an:
- A. Means of locking out both disconnects when the PV system inverter is being serviced.
- B. Permanent plaque or directory that indicates the location of thePV utility connection.
- C. Interface that shuts down the PV system if the utility connection is lost.
- D. Permanent plaque or directory that indicates the locations of both disconnects.
Answer: D
NEW QUESTION 36
Which of the following is an NEC-indicate means to identify PV source and output circuits at accessible points of termination connection, and splices?
- A. Placards
- B. Conduct stickers
- C. Insulation type
- D. Tagging
Answer: D
NEW QUESTION 37
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. Making interpretations of the rules and deciding on approval of equipment and material
- D. Approval equipment installation methods for efficiency, convenience, and adequacy for good service
Answer: C
NEW QUESTION 38
When running horizontal 1-1/4 in, electrical metallic tubing (EMT) with compression fittings, what is the MAXIMUM permissible distance between condult supports?
- A. 3 ft
- B. 10 ft
- C. 20 ft
- D. 14 ft
Answer: B
NEW QUESTION 39
In the middle of a winter day, the data acquisition system for a ground-mounted PV system with large central inverters sends an email alert that system performance is at 50% based on irradiance and temperature performance calculations. No inverters are completely offline. The closed technician is a 4-hour drive from the site, and there are no cameras on site. Which is the BEST response to this situation?
- A. Call the data acquisition company to report a monitoring system failure.
- B. Dispatch the technician to the site t investigate the low performance issue in person.
- C. Report the low performance to theinverter manufacturer and request that a technical be sent to the site for a warranty claim.
- D. Review power output and weather conditions via the monitoring portal, and review local weather reports.
Answer: D
NEW QUESTION 40
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 protected loads must have automatic restart function.
- B. The peak current from the sealed lead- acid batteries must not exceed peak demand currents.
- C. All protected loads are connected in multiwire branch circuits.
- D. The stand-alone system configuration can adequately supply current to all protected load branch circuit.
Answer: C
NEW QUESTION 41
Which is a requirement for designated battery rooms?
- A. Gas pipe equipment must be constructed and installed for a Hazardous Class I location.
- B. illumination shall be provided by lightingoutlets controlled by automated means only.
- C. must be equipped withpanic hardware and open m the directionof egress.
- D. Battery cabinets, racks, or trays must have a minimum clearance of 12 in. from any wall.
Answer: C
NEW QUESTION 42
A AWG THWN-2 PV output conductors from two PV arrays are run in the same 3 in, conduit to their respective functionally grounded inverters in the building. The three PV source circuits are each protected by a
15A fuse in the combiner box at the array. The conduit, which is strapped directly to the roof,is exposed to design temperatures of 140' F (60'C) during its 30 ft.
Exposed run. What is the MAXIMUM current carrying capability value of the PV output conductors?
- A. 61A
- B. 42A
- C. 54A
- D. 34A
Answer: D
NEW QUESTION 43
An installer is using 1/2 in lag boits to secure roof-monitoring hardware to rafters through a roof deck. Which of the following should the installer predrill?
- A. A pilot hole one-half the length of the bolt
- B. A 5/16 in pilot hole through the roof into the rafter
- C. A 1/8 in, pilot hole through the roof into the rafter
- D. A pilot hole one-fourth the length of the bolt
Answer: B
NEW QUESTION 44
Most electric service providers require interactive PV equipment to comply with which for interconnection to their distribution grid?
- A. UL 2703
- B. UL 1741
- C. UL 16998
- D. UL 60947-1
Answer: D
NEW QUESTION 45
A ground-mounted PV system operating with an open-critical voltage of 550V is in a public park. Which installation procedure will meet NEC requirements for protecting the public from potential electric shock?
- A. Install PV modules with plastic, insulating the frames, and connect to a grounding electrode at the array.
- B. Ground the PV module frames, but not the mounting racks, to local grounding electrodes.
- C. Mount the PV modules on a one-axis (north-south) tracker, with supporting structures listed to UL 2703.
- D. Install a physical barrier on the back of the PV modules that prevent that prevents the conductors from being touched.
Answer: D
NEW QUESTION 46
Which of the following tests measures axial uplift whenperforming load testing of driven-pile foundation members
- A. Resistance to horizontal movement
- B. Resistance to twisting
- C. Resistance to withdraw (pull-out) force
- D. Resistance to downward (Sinking force
Answer: C
NEW QUESTION 47
Which insulation color is allowed for a current-carrying roottop dc conductor on a functionally grounded 6kw PV system?
- A. White
- B. Red
- C. Green/yellow
- D. Green
Answer: B
NEW QUESTION 48
A PV array with 58 in. X 38 in modules in portrait orientation is to be mounted at a 35 tiit angle on a shingle roof that has a 5:12 pitch. Assuming the support leg is attached to the top of the modules and is perpendicular to its face, what is the length of the support leg for the modules?
- A. 40.50 in.
- B. 12.73 in.
- C. 18.25 in.
- D. 24.24 in.
Answer: B
NEW QUESTION 49
Which of the following is the required MINIMUM width of the working space In front of ac disconnect equipment?
- A. 30 in. from all exposed live parts and terminals
- B. 36 in. from the right and left edges of the inverter
- C. 36 in. from the top of the ungrounded inverter terminals
- D. 30 in. or the width of the ac disconnect, whichever is greater
Answer: D
NEW QUESTION 50
Aerial lifts used to hoist equipment and PV modules to roof levels may be fieldmodifiedfor uses other than those intended by the manufacturer with which approval or certification?
- A. Approval by the local AHJ for meeting safely regulations
- B. Tested and approval by the distributor of the equipment
- C. Certified via the state material handling safely statutes
- D. Certified in writing by the manufacturer or an NRTL
Answer: A
NEW QUESTION 51
A connector not listed to be used in a concealed location and being used as a disconnect for PV equipment shall comply with which of the following?
- A. The grounding member shall be last to make and first to break contact with the mating connector
- B. The grounding member shall be interconnectchangeable with receptacles in other electrical systems.
- C. The connector shall have a non-polarized configuration.
- D. The connector shall be installed so as to guard against inadvertent with live parts by persons.
Answer: D
NEW QUESTION 52
When performing a system checkout after completing the installation, what is the SAFEST sequence of tasks to detect installation errors before closing any disconnects to the inverter, charge controller, or batteries?
- A. Perform visual inspection, install source circuit fuses, and measure open-circuit voltage.
- B. Install source circuit fuses, verify that all equipment-grounding conductors are secure, and measure ac line voltage.
- C. Perform visual inspection, install source circuit fuses, and measure open-circuit current.
- D. Perform visual inspection, check polarity and measure open-circuit voltage.
Answer: D
NEW QUESTION 53
A 1. 100 ft, 2 ranch home with cathedralcallingshas a 14 ft. x 41 ft. 8 in , south-facing , composite shingle roof. An engineer has determined that the home's 2 in, x 6 in. on-center roof rafters are strong enough to gold a solar electric system. The system will have 62.25 in. x 32.50 in. modules with a 1-in gap between modules and a standard twin-rillmounting system number of modules that can fit on the roof on under these conditions?
- A. 40 modules in landscape
- B. 28 modules in portrait
- C. 30 modules in portrait
- D. 35 modules in landscape
Answer: D
NEW QUESTION 54
A7KW/ 14 KWh multimode systemhas 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 total load exceeds the system's energy storage capacity of 14kWh.
- B. The load the protected loads subpanel exceeds the PV system ac rating by 25%.
- C. The main service panel is no longer compliant with NCC 705.12.
- D. The toad exceeds the capacity of the interconnection breaker.
Answer: D
NEW QUESTION 55
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