NABCEP Board PVIP Dumps Full Questions with Free PDF Questions to Pass
100% Updated NABCEP PVIP Enterprise PDF Dumps
NEW QUESTION 13
What is an arc-flash boundary?
- A. 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
- B. The approach limit distance from energized electrical equipment within which a person is considered to be exposed to full circuit voltage.
- C. The approach limit distance within which inadvertent movement exposes personnel to increase ris due to electrical arc-over potential.
- D. The distance within which qualified personnel can safely perform bare-handed work on exposed energized electrical equipment operating at 50 volts or more.
Answer: C
NEW QUESTION 14
A technician has been called to a scale due to a low-performing array. The technician will perform tests in the
24-source circuit combiner box. After putting on the correct PPE and turning off and performing lock.tagout of the inverted and combiner disconnect. Which is the next step to safely begin electrical testing in the combiner box?
- A. Remove any surge suppression devices from the circuits.
- B. Test for current on each source circuit coming into the combiner box.
- C. Open all fuse holders in the combiner box.
- D. Test for voltage on the positive out
Answer: C
NEW QUESTION 15
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 16
A dwelling has a 200A main load center with a 150 main breaker. Which of the following is the MOST powerful 240V inverter that can be installed in the house using the existing main panelboard with a backfed breaker?
- A. 7, 689W
- B. 9, 600W
- C. 21, 600W
- D. 17, 280W
Answer: D
NEW QUESTION 17
Which of the following requires a UL listing or its equivalent?
- A. Lag screws
- B. System manuals
- C. Grounding electrode clamp
- D. System labels and markings
Answer: C
NEW QUESTION 18
A PV system equipped with rapid shutdown requires a label stating ''RAPID SHUTDOWN SWITCH FOR SOLAR PV SYSTEM''.
Which is the BEST description of where this label is required?
- A. On or within 3 ft. of the ac disconnect
- B. On or within 3 ft. of the ac disconnect
- C. On or within 3 ft. of the ac disconnect
- D. On or within 3 ft. of the ac disconnect
Answer: C
NEW QUESTION 19
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. Conduct stickers
- B. Insulation type
- C. Tagging
- D. Placards
Answer: C
NEW QUESTION 20
When doinginitial inspections on a PV system that was installed using racking that is not compliant with UL.2703, an inspector should pay special attention to which electrical attribute?
- A. Each PV module needs to be bonded to the equipment grounding conductor.
- B. The equipment grounding conductor must be irreversibly spliced.
- C. The grounding conductor must be bonded directly to the primary grounding electrode.
- D. Racking needs to be bonded to a supplemental grounding electrode conductor.
Answer: A
NEW QUESTION 21
An installer has decided to use 31 in. long. 3.1/2 in diameter conical ground screws as the footings for a
3.840W solar electric system. Access to he is too difficult to pour concrete footings. The soll is classified as sandy loam. The design wind speed is 90 mph with an uplift force of 32 ibs/ft2. What is the MINIMUM number of screw required to resist uplift loads?
- A. 0
- B. 1
- C. 2
- D. 3
Answer: D
NEW QUESTION 22
The AHJ for enforcement of the NEC has which responsibility?
- A. Making interpretations of the rules and deciding on approval of equipment and material
- B. Inspecting factory-installed wire and equipment construction methods
- C. Approval equipment installation methods for efficiency, convenience, and adequacy for good service
- D. Inspecting installations under the exclusive control of the electric utility
Answer: A
NEW QUESTION 23
According to the NEC, if the PV system disconnect and the building service disconnect are at different locations, there MUST be a/an:
- A. Interface that shuts down the PV system if the utility connection is lost.
- B. Permanent plaque or directory that indicates the locations of both disconnects.
- C. Means of locking out both disconnects when the PV system inverter is being serviced.
- D. Permanent plaque or directory that indicates the location of thePV utility connection.
Answer: B
NEW QUESTION 24
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. Ground the PV module frames, but not the mounting racks, to local grounding electrodes.
- B. Install a physical barrier on the back of the PV modules that prevent that prevents the conductors from being touched.
- C. Mount the PV modules on a one-axis (north-south) tracker, with supporting structures listed to UL 2703.
- D. Install PV modules with plastic, insulating the frames, and connect to a grounding electrode at the array.
Answer: B
NEW QUESTION 25
Insulation resistance testing is being performed on the conductors of a 3-year-old PV system. With a constant high test voltage being applied to a dc conductor, the test results in a high resistance reading. Which does this finding indicate?
- A. Wiring insulation has degraded and is resulting in leakage.
- B. Typical module degradation has lowered the output of the system's strings.
- C. Soling of modules has reduced the efficiency of the system.
- D. The conductor insulation is functioning as intended.
Answer: D
NEW QUESTION 26
Inspection of a new PV installation shows that the dwelling uses a galvanized water pipe for its grounding electrode and that the PV system now shares the connection. Which of the following is an acceptable supplemental electrode method to ensure the integrity of having a grounding electrode?
- A. Connecting the service panel to an auxiliary ground used by a lightning protection system
- B. Connecting the water pipe to a gas pipe that is known to be solidly grounded
- C. Connecting the water pipe to the service entrance panel metal structure
- D. Connection the service panel to a copper-clad steel ground rod near the panel
Answer: C
NEW QUESTION 27
When running horizontal 1-1/4 in, electrical metallic tubing (EMT) with compression fittings, what is the MAXIMUM permissible distance between condult supports?
- A. 20 ft
- B. 10 ft
- C. 14 ft
- D. 3 ft
Answer: B
NEW QUESTION 28
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 1/8 in, pilot hole through the roof into the rafter
- B. A 5/16 in pilot hole through the roof into the rafter
- C. A pilot hole one-fourth the length of the bolt
- D. A pilot hole one-half the length of the bolt
Answer: B
NEW QUESTION 29
Which load path connections need to be analyzed when determining live and dead loads on a PV array system installed directly to a metal seam roof?
- A. Module to rail, rail to roof sheathing, roof sheathing to wall, wall to base plate/foundation system
- B. Module to rail to metal seam roof, metal seam roof to top plate system
- C. Module to rail to metal seam roof, metal seam roof sheathing/rather system.
- D. Rail to metal seam roof, metal seam roof to top plate, top plate to wall system
Answer: C
NEW QUESTION 30
A commercial 600v carport-mounted PV system is installed with rigid running under the parking lot to an inverter pad located at the edge of the parking lot. At what depth below the parkinglot base MUST condult be buried?
- A. 36 in.
- B. 18 in.
- C. 12 in.
- D. 24 in.
Answer: D
NEW QUESTION 31
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. 35 modules in landscape
- C. 28 modules in portrait
- D. 30 modules in portrait
Answer: B
NEW QUESTION 32
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