NABCEP PVIP Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| System Design | 32% | - Component selection and specification - Grounding and bonding design
|
| Operations & Maintenance | 13% | - System performance monitoring and reporting - Troubleshooting and fault diagnosis - Safety and maintenance documentation - Preventive maintenance procedures |
| Installation | 38% | - Mechanical installation
|
| System Commissioning | 17% | - Performance validation and documentation - Functional testing
|
NABCEP PV Installation Professional (PVIP) Board Certification Sample Questions:
Question #1
A residential PV system uses two 120.240Vac utility-interactive inverters with a sealed lead-acid battery energy backup for protected loads. The MOST important protected load consideration when operating in the backup mode is that:
A. The stand-alone system configuration can adequately supply current to all protected load branch circuit.
B. The peak current from the sealed lead- acid batteries must not exceed peak demand currents.
C. The protected loads must have automatic restart function.
D. All protected loads are connected in multiwire branch circuits.
Question #2
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. Test for voltage on the positive out
B. Open all fuse holders in the combiner box.
C. Remove any surge suppression devices from the circuits.
D. Test for current on each source circuit coming into the combiner box.
Question #3
Aerial lifts used to hoist equipment and PV modules to roof levels may be field modified for uses other than those intended by the manufacturer with which approval or certification?
A. Certified in writing by the manufacturer or an NRTL
B. Approval by the local AHJ for meeting safely regulations
C. Tested and approval by the distributor of the equipment
D. Certified via the state material handling safely statutes
Question #4
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. 194
B. 270
C. 180
D. 166
Question #5
A PV system includes a 15 kW array with a maximum power point voltage of 450V and current of 33.33A.
The inverter efficiency is 97%, and the AC output voltage is 240V. What is the AC output current under STC?
A. 62.5A
B. 58.5A
C. 64.8A
D. 60.6A
Solutions:
| Question #1 Correct Answer: D | Question #2 Correct Answer: B | Question #3 Correct Answer: B | Question #4 Correct Answer: A | Question #5 Correct Answer: D |
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