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NABCEP PV Installer Exam Review Questions 2
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NABCEP PVIP review questions focus on NEC code compliance (especially Article 690), system design, safety (OSHA), and installation calculations based on the Job Task Analysis (JTA). Key areas include inverter sizing, wire sizing, voltage drop, 120% rule calculations, and mounting requirements.  Key Topics and Sample Question Areas NEC Code Compliance: Questions often test knowledge of the 2017 NEC Article 690 regarding grounding, disconnects, and conductor insulation. Calculations: Expect questions on maximum system voltage, inverter current limits, grounding conductor sizing, and the... Show more
NABCEP PV Installer Exam Review Questions 2
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25 Questions

1. What Device Measures Solar Radiation?

2. According To OSHA, What Is Perfect Ratio For Tilt Of A Ladder?

3. To Calculate Panel Wattage, You Must Use This Info From The Datasheet?

4. What Would You Do If Your AHJ Electrical inspector Did Not Approve An Installation Due To An Obsolete Version Of The NEC That He Was Required To Use?

5. What Is An Overcurrent Protection Device Used For?

6. What Do Interactive And Bi-Modal PV Systems Have In Common?

7. What Items Should Absolutely Be Checked When Doing A Regular Inspection Of Installed And Functioning Photovoltaic Modules?

8. A System Where Small Power Generating Units Like Photovoltaic Installation Create Electricity Near The Point Of Consumption Is Called What?

9. For Battery Systems, The Maximum Inverter Input Current Can Exceed Nominal Ratings Under What Condition?

10. How Must I Adjust My Solar Pathfinder To Get An Accurate Reading?

11. PV System Installation Labeling Should Show What?

12. What Other Safety And Protection Devices May Be Installed With Photovoltaic Systems?

13. What Would Be The Most Important Design Consideration In The Installation Of PV Modules?

14. If We Install Metal Conduit In Sunlight On Or Above Rooftops, What Must Be Done?

15. What Device Is Used To Protect PV Arrays From Ground Fault Currents?

16. What Device Measures Solar Irradiance?

17. What DOD In A Photovoltaic System?

18. What Factor Affecting Conductors Ampacity?

19. Overcurrent Protection Devices Are Sized?

20. What Are The Charging Modes For A Battery?

21. In Regards To An Inverter And PV System With Utility Interconnection, What Is An Undesirable Condition?

22. What Is One Definition Of Accessibility As Given In The NEC?

23. What Device Can Help Reduce Maintenance Of Flooded Type Batteries?

24. What Device Is Sometimes Used In PV Circuit To Prevent Conditions Such As Batteries Discharging Through The PV Modules?

25. What Type(s) Of Structural Load(s) Does Roof Structure And Mounting System Need To Accommodate?

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