NABCEP PV System Inspector Certification — Requirements & Free Practice

US · License preparation

100 free questions · Answer explanations · No signup required

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Licenses, application pathways and examination requirements

Each license and applicant pathway has its own requirements and exemptions. Choosing practice questions does not determine your eligibility.

Initial by examination

Application And Exam Fees Required: true
Application Required: true
Ethics Agreement Required: true
Minimum Age: 18
Scheduling: Application approval precedes the one-year PVSI exam eligibility period; PVSI uses live remote proctoring.
Specific Exam Prerequisites: none stated for PVSI in Handbook section 10.2
Written Exam Pass Required: true

Provider: NABCEP; delivered by Meazure Learning via live remote proctoring
Format: Live Remote Proctoring (LRP), multiple-choice
Exam questions: Total questions: 45; Scored questions: 40; Unscored questions: 5; The total includes the scored and unscored questions.
Time limit: two (2) hours

Examination outline

Inspecting Electrical Components and Systems (44%)
- Visually verify system labeling meets applicable codes to ensure safety
- Verify installed components match approved plans and applicable codes
- Inspect conductors and raceways for safety and code compliance
- Assess conductor terminations for integrity and compatibility
- Verify grounding system integrity and continuity
- Inspect utility-grid interconnection for code compliance
- Verify overcurrent protection device sizing and ratings
Inspecting Energy Storage Components and Systems (21%)
- Verify PV array design and control
- Verify energy storage system design and installation
- Verify multi-mode inverter operation
- Verify inverter AC connections
Inspecting Mechanical/Structural Components and Systems (21%)
- Inspect roof-mounted components and systems
- Inspect ground-mounted components and systems
Documentation for the System Inspection (14%)
- Review permit package for accuracy, completeness and code compliance
- Quantify and report installed-system deviations

Examination sources