EXAM QUESTIONS AND CORRECT ANSWER WITH
DETAILED EXPLANATION GRADED A+ 100% CORRECT
2026 UPDATE STUDY GUIDE
1.
The primary duty of an Electrical Inspector is to:
A. Verify electrical installations comply with adopted codes
B. Design electrical systems
C. Sell electrical equipment
D. Install utility transformers
Answer: A
Electrical inspectors enforce code compliance for safety.
2.
The California Electrical Code is primarily based on:
A. NFPA 70 National Electrical Code
B. International Plumbing Code
C. Uniform Mechanical Code
D. International Fire Code
Answer: A
The CEC adopts and amends the NEC.
3.
Electrical permits are generally required before:
A. Electrical work begins
B. Furniture delivery
C. Landscaping installation
D. Painting starts
Answer: A
Permits authorize regulated electrical work.
,4.
The purpose of electrical grounding is to:
A. Reduce shock hazards
B. Increase voltage
C. Improve aesthetics
D. Reduce plumbing pressure
Answer: A
Grounding stabilizes electrical systems and improves safety.
5.
Bonding is intended to:
A. Ensure electrical continuity between conductive parts
B. Increase insulation resistance
C. Improve lighting levels
D. Reduce airflow
Answer: A
Bonding minimizes dangerous voltage differences.
6.
Overcurrent protection devices protect:
A. Conductors and equipment from excessive current
B. Plumbing fixtures
C. Roof framing
D. HVAC airflow
Answer: A
Overcurrent protection prevents overheating and fire.
7.
A circuit breaker is designed to:
A. Interrupt current during overloads or faults
B. Increase electrical demand
C. Improve ventilation
, D. Regulate plumbing flow
Answer: A
Circuit breakers automatically disconnect unsafe current.
8.
The grounded conductor is commonly called the:
A. Neutral conductor
B. Equipment grounding conductor
C. Service conductor
D. Bonding jumper
Answer: A
The neutral conductor carries return current.
9.
The equipment grounding conductor provides:
A. A fault current path
B. Increased voltage
C. Structural support
D. Plumbing venting
Answer: A
Ground-fault current must return safely to clear faults.
10.
Working space around electrical equipment is required for:
A. Safe operation and maintenance
B. Furniture storage
C. Plumbing access
D. Decorative purposes
Answer: A
Electrical clearances reduce hazards.
11.