Latest Success Metrics For Actual PVIP Exam (Updated 72 Questions)
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NEW QUESTION # 15
A PV technician is installing a 6.5KWac inverter using a 40A backfed breaker. The single line shows a 200A panelboard with a 200A breaker, but the installer finds that the panelbord actually has a 150A main breaker.
Which of the following is the CORRECT installation option?
- A. Install a 30A backfed circuit breaker.
- B. Complete the installation as noted above.
- C. Change the main circuit breaker to a 200A unit.
- D. Replace the 200A panel with a 150A panel.
Answer: B
NEW QUESTION # 16
A bank of batteries with capability of supplying 250A and a maximum voltage of 325V is housed in a concrete structure in a very humid location. There is service access alsie between rows of batteries. What is the REQUIRED safety distance between the rows of batteries.
- A. 3-1/2If the building is equipped with a dehumidifier and the batteries are on insulting surfaces
- B. 3 ft. when insulted conducted conductors are used between terminals.
- C. 6 ft.When the floor is insulated and no dehumidifier is installed.
- D. 4 ftWhether or not the building is equipped with a dehumidifier or the batteries are insulting surfaces
Answer: B
NEW QUESTION # 17
Which electrical connection requires the use of a torque device to complete the connection per NEC requirements?
- A. Crimp-on log to the battery cable
- B. Screw terminals on an ac receptacle outlet
- C. Soldered splices in a conduit body
- D. Underground direct-burial twist-on wire connector
Answer: A
NEW QUESTION # 18
According to the NEC, where on a residential PV system MUST the labeling describing the type of rapid shutdown be located?
- A. On the rapid shutdown initiation device.
- B. A close as practicable to the PV array requiring rapid shutdown
- C. At point on the residence designated by the AKJ and fire marshal
- D. On or no more than 1 m (3. 3 ft) from the service disconnecting meant
Answer: A
NEW QUESTION # 19
A ground resistance measurement on a newly installed grounding electrode indicates a resistance of 130. The earth connection may be improved by connecting the existing electrode to a:
- A. Supplemental grounding electrode located 5 ft, away.
- B. Supplemental copper plated steel grounding electrode located 8 ft, away.
- C. Supplement 1/4 in, in thick aluminumplate electrode buried 30 in. down and located 7 ft, away.
- D. Buried water piping system using 40 ft. of 2 in. PVC piping located 10 ft awat.
Answer: B
NEW QUESTION # 20
Which of the following MUST be referenced for determining a site's design wind speed?
- A. The jurisdiction's local building code in effect
- B. The module manufacture's design wind speed
- C. The ASHRAE Handbook_fundamentals in effect
- D. The NEC version in effect
Answer: C
NEW QUESTION # 21
A grid-interactive PV system with battery backup is being installed with a ground-mounted PV array located
200 ft, from the inverter and batteries. The dc PV output circuit has overcuit has overcurrent protection rated from 30A. To reduce voltage drop between the array and batteries, the output circuit wire size was determined to be 6 AWG. The fused dc disconnect between the inverted and batteries is rated for 300A. What is the required size of the equipment grounding conductor between the metal battery case and the inverter?
- A. 6 AWG
- B. 4 AWG
- C. 8 AWG
- D. 10 AWG
Answer: B
NEW QUESTION # 22
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. Tagging
- B. Insulation type
- C. Conduct stickers
- D. Placards
Answer: A
NEW QUESTION # 23
A site has a known magnetic declination of 14 west. What should the corrected azimuth reading of the array be in order to be facing true south?
- A. 0
- B. 1
- C. 2
- D. 3
Answer: D
NEW QUESTION # 24
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. Certified via the state material handling safely statutes
- B. Approval by the local AHJ for meeting safely regulations
- C. Certified in writing by the manufacturer or an NRTL
- D. Tested and approval by the distributor of the equipment
Answer: B
NEW QUESTION # 25
An installer was asked to provide a means to measure the voltage of each battery in a system. The bank is located 50 ft.
From the data logger. The installer will be using shielded. Twisted pairs of instrumentation wiring, all run in the bundle a conduct.
The signals are connected to isolated and ungrounded inputs at a data logger. Which safely precaution is MOST needed to protect the instrumentation wiring?
- A. Each set of twisted pairs must be provided with properly rated fuses that are physically located at the battery.
- B. The instrument wiring must be large (larger than # 18 AWG) to handle current from each battery and must be a double- insulated type.
- C. Individual nonfused disconnects are required for each set of wiringbecause all of the signals must be isolated from each other.
- D. An appropriately rated and sized of resistive elements for each twisted pair be located at, or very near to, the data logger terminals
Answer: A
NEW QUESTION # 26
The point-of-utility connection of a residential utility-interactive PV system is in the main distribution panel. If the busbars of the main distribution panel are rated at 200A, and if the distribution panel has a 200A main breaker, the rated output current of the inverter cannot exceed.
- A. 40A
- B. 24A
- C. 32A
- D. 200A
Answer: C
NEW QUESTION # 27
Which is a requirement for designated battery rooms?
- A. Gas pipe equipment must be constructed and installed for a Hazardous Class I location.
- B. must be equipped withpanic hardware and open m the directionof egress.
- C. illumination shall be provided by lightingoutlets controlled by automated means only.
- D. Battery cabinets, racks, or trays must have a minimum clearance of 12 in. from any wall.
Answer: B
NEW QUESTION # 28
Which of the following is an NEC requirement regarding access for large-scale PV electric power production facilities?
- A. All fencing and associated gates must have ac and dc current and voltage exposure labvels and must be electrically isolated from the solar facility.
- B. Access to remote isolating equipment for servicing is allowed for individual other than qualified persons when the equipment is enclosed within a secure structure.
- C. Arc flash warning labels must be field-applied by the installer at all access points for qualified persons and at the point of the utility interconnection directory.
- D. Field-applied hazard markings must be installed, and access to the supply station is to be restricted by fencing or other adequate means.
Answer: D
NEW QUESTION # 29
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 # 30
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