North Carolina Electrical Inspector Level III
Certification Exam – QUESTIONS AND DETAILED
SOLUTIONS JUST RELEASED
North Carolina Electrical Inspector Level III Certification Exam –
Question 1
A Level III electrical inspector enforces which primary code when inspecting electrical installations in
North Carolina?
A) International Building Code with state amendments
B) National Electrical Code with North Carolina amendments
C) North Carolina Fire Prevention Code
D) National Electrical Safety Code
Answer: B) National Electrical Code with North Carolina amendments
Rationale: Electrical inspectors in North Carolina enforce the National Electrical Code (NEC) as adopted
and amended by the state. The NEC is the primary electrical code governing all electrical installations .
Question 2
Which entity has the authority to approve the qualifications of a Level III electrical inspector under
North Carolina law?
A) Local Building Department
B) North Carolina State Board of Electrical Examiners
C) Code Officials Qualification Board (COQB)
D) National Electrical Contractors Association
Answer: C) Code Officials Qualification Board (COQB)
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Rationale: The Code Officials Qualification Board (COQB) is responsible for approving the qualifications
of electrical inspectors in North Carolina .
Question 3
A Level III Electrical Inspector is qualified to perform code enforcement duties for which types of
systems according to NC regulations?
A) Only residential electrical systems
B) Only commercial electrical systems up to 4 stories
C) Any residential or commercial building and special systems
D) Only industrial electrical systems
Answer: C) Any residential or commercial building and special systems
Rationale: A Level III inspector is qualified to perform code-enforcement duties for any residential or
commercial building or structure, plus special systems including photovoltaic systems and electrical
power production facilities with generating capacity of 5,000 kW or greater .
Question 4
What is the minimum passing score required for the NC Electrical Level III Inspector examination?
A) 60%
B) 70%
C) 75%
D) 80%
Answer: B) 70%
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Rationale: Candidates must achieve a passing grade of 70% on the written examination administered by
the Code Officials Qualification Board .
Question 5
Is the NC Electrical Level III Inspector exam open book or closed book?
A) Closed book
B) Open book with limited references
C) Open book with unlimited references
D) Closed book with provided references
Answer: B) Open book with limited references
Rationale: The exam is open book, but candidates may only use the approved references listed in the
exam bulletin. These include the National Electrical Code and NC Energy Conservation Code .
Question 6
Which approved references may be used during the NC Electrical Level III Inspector exam?
A) Only the NEC without any annotations
B) The NEC with NC amendments and the NC Energy Conservation Code
C) Any electrical code book the candidate chooses
D) Only the NC Fire Prevention Code
Answer: B) The NEC with NC amendments and the NC Energy Conservation Code
Rationale: Approved references include the 2020 National Electrical Code (with NC amendments) and
the 2018 North Carolina Energy Conservation Code. References may be pre-annotated; writing in them
during the exam is prohibited .
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Question 7
Which content area carries the highest percentage weight on the NC Electrical Level III Inspector exam?
A) Wiring Methods and Distribution Systems
B) Special Occupancies
C) Services
D) Equipment for General Use
Answer: C) Services
Rationale: Services account for 39% of the exam, making it the largest single content area. This covers
electrical service equipment, service-entrance conductors, metering, and service disconnecting means .
Question 8
What percentage of the NC Electrical Level III exam covers Wiring Methods and Distribution Systems?
A) 10%
B) 13%
C) 23%
D) 39%
Answer: C) 23%
Rationale: Wiring Methods and Distribution Systems account for 23% of the exam, covering
requirements for branch circuits, feeders, conduit types, cable assemblies, raceways, and proper
conductor sizing .