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NABCEP PVIP Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: System Commissioning | 17% | - Functional testing
- Pre-commissioning verification
|
| Topic 2: Operations & Maintenance | 13% | - Troubleshooting and fault diagnosis - Safety and maintenance documentation - Preventive maintenance procedures - System performance monitoring and reporting |
| Topic 3: Installation | 38% | - Labeling, marking and documentation
|
| Topic 4: System Design | 32% | - Grounding and bonding design
- Electrical design calculations
|
NABCEP PV Installation Professional (PVIP) Board Certification Sample Questions:
A grid-tied PV system uses a transformerless inverter with a maximum DC input of 1000V. The array consists of 20 modules, each with a Voc of 45V. What is the NEC 690.7 correction factor for a low temperature of -15° C if the temperature coefficient is -0.30%/°C?
- A. 1.18
- B. 1.21
- C. 1.12
- D. 1.15
Correct Answer: A 🗳️
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. Approval equipment installation methods for efficiency, convenience, and adequacy for good service
- C. Inspecting installations under the exclusive control of the electric utility
- D. Inspecting factory-installed wire and equipment construction methods
Correct Answer: A 🗳️
A module's Voc is 40V at STC. At -5°C with a coefficient of -0.33%/°C, what is the Voc?
- A. 44.0V
- B. 45.0V
- C. 43.0V
- D. 42.0V
Correct Answer: A 🗳️
A rooftop PV array has conductors running through a conduit exposed to sunlight on a roof with an ambient temperature of 40°C. The conduit is 2 inches above the roof surface. What is the NEC temperature adjustment factor for 90°C-rated conductors?
- A. 1.00
- B. 0.91
- C. 0.96
- D. 0.87
Correct Answer: D 🗳️
Which of the following should a PV installer do during dc insulation resistance testing?
- A. Remove surge suppression equipment from the circuit being tested.
- B. Close ac and dc disconnects and have the system running for at least 5 minutes before testing.
- C. Wait until is raining and all wiring is damp to conduct the test.
- D. Connect the megohmmeters's negative terminal to the dc circuit insulation
Correct Answer: D 🗳️
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