ICC RESIDENTIAL ELECTRICAL INSPECTOR EXAM
QUESTIONS AND CORRECT ANSWER WITH
EXPLANATION GRADED A+ STUDY GUIDE 2026 UPDATE
100% CORRECT
1.
The primary purpose of a residential electrical inspector is to:
A. Design electrical systems
B. Ensure safe installation in accordance with NEC/IRC
C. Install electrical wiring
D. Approve contractor billing
Answer: B
Inspectors enforce safety compliance with electrical codes.
2.
The main electrical code used in residential inspection is:
A. NEC
B. IBC
C. OSHA
D. IRC plumbing chapter
Answer: A
The National Electrical Code governs electrical installations.
3.
The NEC is primarily concerned with:
A. Electrical safety
B. Structural design
C. Plumbing systems
D. HVAC systems
Answer: A
Focus is safe electrical installation.
,4.
Grounding in a residential system primarily:
A. Prevents electrical shock hazards
B. Increases voltage
C. Reduces water pressure
D. Supports framing
Answer: A
Grounding provides a safe fault path.
5.
The grounding electrode system connects to:
A. Earth
B. Plumbing fixtures only
C. HVAC ducts
D. Drywall
Answer: A
Establishes earth reference.
6.
A branch circuit is:
A. A circuit between overcurrent device and outlets
B. Main service line
C. Utility feed only
D. Transformer system
Answer: A
Distributes power to loads.
7.
Overcurrent protection devices include:
A. Breakers and fuses
B. Switches
C. Receptacles
D. Transformers only
, Answer: A
Protect circuits from overload.
8.
A GFCI protects against:
A. Ground faults and shock hazards
B. Overvoltage
C. Fire only
D. Low voltage
Answer: A
Shock protection device.
9.
GFCI protection is required in:
A. Bathrooms and kitchens
B. Attics only
C. Closets only
D. Bedrooms only
Answer: A
High-risk moisture areas.
10.
An AFCI protects against:
A. Arc faults that may cause fires
B. Water leaks
C. Voltage drop
D. Plumbing failure
Answer: A
Fire prevention device.
11.
QUESTIONS AND CORRECT ANSWER WITH
EXPLANATION GRADED A+ STUDY GUIDE 2026 UPDATE
100% CORRECT
1.
The primary purpose of a residential electrical inspector is to:
A. Design electrical systems
B. Ensure safe installation in accordance with NEC/IRC
C. Install electrical wiring
D. Approve contractor billing
Answer: B
Inspectors enforce safety compliance with electrical codes.
2.
The main electrical code used in residential inspection is:
A. NEC
B. IBC
C. OSHA
D. IRC plumbing chapter
Answer: A
The National Electrical Code governs electrical installations.
3.
The NEC is primarily concerned with:
A. Electrical safety
B. Structural design
C. Plumbing systems
D. HVAC systems
Answer: A
Focus is safe electrical installation.
,4.
Grounding in a residential system primarily:
A. Prevents electrical shock hazards
B. Increases voltage
C. Reduces water pressure
D. Supports framing
Answer: A
Grounding provides a safe fault path.
5.
The grounding electrode system connects to:
A. Earth
B. Plumbing fixtures only
C. HVAC ducts
D. Drywall
Answer: A
Establishes earth reference.
6.
A branch circuit is:
A. A circuit between overcurrent device and outlets
B. Main service line
C. Utility feed only
D. Transformer system
Answer: A
Distributes power to loads.
7.
Overcurrent protection devices include:
A. Breakers and fuses
B. Switches
C. Receptacles
D. Transformers only
, Answer: A
Protect circuits from overload.
8.
A GFCI protects against:
A. Ground faults and shock hazards
B. Overvoltage
C. Fire only
D. Low voltage
Answer: A
Shock protection device.
9.
GFCI protection is required in:
A. Bathrooms and kitchens
B. Attics only
C. Closets only
D. Bedrooms only
Answer: A
High-risk moisture areas.
10.
An AFCI protects against:
A. Arc faults that may cause fires
B. Water leaks
C. Voltage drop
D. Plumbing failure
Answer: A
Fire prevention device.
11.
