Updated: Aug 16, 2026
No. of Questions: 162 Questions & Answers with Testing Engine
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| Certification Vendor: | NABCEP |
| Exam Name: | NABCEP PV Installation Professional (PVIP) Certification Exam |
| Exam Number: | PVIP |
| Available Languages: | English |
| Certificate Validity Period: | 3 years (renewal required) |
| Exam Format: | Computer-based exam, Proctored exam, Multiple-choice questions |
| Related Certifications: | NABCEP PV Associate NABCEP PV Installation Professional Entry Level NABCEP PV Commissioning & Maintenance |
| Recommended Training: | NABCEP Official Training Resources |
| Exam Registration: | NABCEP PVIP Certification Page |
| Sample Questions: | NABCEP PVIP Sample Questions |
| Exam Way: | Computer-based, proctored examination (testing centers or online proctoring depending on provider availability) |
| Pre Condition: | Documented field experience in PV system installation and related technical work is required; eligibility is evaluated by NABCEP application review. |
| Official Syllabus URL: | https://www.nabcep.org/certifications/pvip/ |
| Section | Objectives |
|---|---|
| Commissioning and Maintenance | - System testing and verification - Troubleshooting and maintenance procedures - Performance monitoring |
| Installation Practices | - Mechanical installation of PV systems - Roofing and structural considerations - Electrical installation and wiring |
| Safety and Compliance | - Codes and standards compliance (NEC and local codes) - Jobsite safety and hazard mitigation - Electrical safety practices |
| PV System Design | - Component selection (modules, inverters, racking) - System sizing and configuration - Electrical design and string configuration |
| Project Management | - Project planning and documentation - Customer communication and handover - Installation coordination |
1. 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 1 ft, from the VP array and more than 5 ft. In length the building.
B) More than 1 ft, from the PV array or more than 3 ft, from the point of entry of the building.
C) Within the array boundary and more than 3.ft from the point of entry of the building.
D) More than 10ft, from the PV array or more than 5 ft. in length inside the building
2. A ground-mount PV system is planned for a site with a soil bearing capacity of 2000 psf. The array footing design requires a minimum bearing pressure of 1500 psf. What is the safety factor for this installation?
A) 1.5
B) 1.33
C) 0.75
D) 2.0
3. During commissioning, a PV system's measured Voc is 10% lower than expected. What is the most likely cause?
A) Inverter malfunction
B) Open circuit in a string
C) Shading on one module
D) High ambient temperature
4. A module's power is 340W at STC. At 700 W/m² and 40°C with a coefficient of -0.38%/°C, what is the output?
A) 260W
B) 236W
C) 248W
D) 224W
5. 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) Rail to metal seam roof, metal seam roof to top plate, top plate to wall system
C) Module to rail to metal seam roof, metal seam roof to top plate system
D) Module to rail to metal seam roof, metal seam roof sheathing/rather system.
Solutions:
| Question # 1 Answer: B | Question # 2 Answer: B | Question # 3 Answer: B | Question # 4 Answer: B | Question # 5 Answer: D |
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