MASTER ELECTRICIAN LICENSING
EXAMINATION QUESTIONS AND
CORRECT ANSWERS (VERIFIED
ANSWERS) PLUS RATIONALES 2026 Q&A
| INSTANT DOWNLOAD PDF
1. The primary responsibility of a Master Electrician is to
A. Install residential wiring only
B. Supervise journeymen and apprentices
C. Design electrical equipment
D. Sell electrical materials
Answer: B
Rationale: A Master Electrician is legally responsible for supervising electrical
work and ensuring compliance with codes.
2. Which document has the highest legal authority for electrical installations?
A. Manufacturer instructions
B. Electrical drawings
C. Electrical code
D. Client specifications
Answer: C
Rationale: Electrical codes are legally adopted and override other documents
when conflicts exist.
, 3. The NEC is primarily concerned with
A. Efficiency of electrical systems
B. Cost reduction
C. Safety of persons and property
D. Power generation
Answer: C
Rationale: The NEC’s purpose is safeguarding people and property from
electrical hazards.
4. Which conductor is intentionally grounded?
A. Equipment grounding conductor
B. Neutral conductor
C. Ungrounded conductor
D. Bonding jumper
Answer: B
Rationale: The neutral conductor is intentionally grounded to stabilize system
voltage.
5. Grounding electrodes are primarily used to
A. Clear ground faults
B. Stabilize voltage to earth
C. Increase fault current
D. Protect appliances
Answer: B
Rationale: Grounding electrodes reference the system to earth to stabilize
voltage.
6. Bonding is best defined as
A. Connecting conductors to earth
, B. Connecting metal parts together
C. Increasing resistance
D. Installing grounding rods
Answer: B
Rationale: Bonding ensures all metal parts are at the same electrical potential.
7. The minimum size equipment grounding conductor is based on
A. Circuit voltage
B. Load current
C. Overcurrent device rating
D. Conduit size
Answer: C
Rationale: Equipment grounding conductor sizing depends on the overcurrent
protective device.
8. Which device protects against overloads and short circuits?
A. GFCI
B. AFCI
C. Circuit breaker
D. Surge protector
Answer: C
Rationale: Circuit breakers provide both overload and short-circuit protection.
9. GFCI protection is primarily intended to prevent
A. Equipment damage
B. Fire hazards
C. Electric shock
D. Voltage drop
EXAMINATION QUESTIONS AND
CORRECT ANSWERS (VERIFIED
ANSWERS) PLUS RATIONALES 2026 Q&A
| INSTANT DOWNLOAD PDF
1. The primary responsibility of a Master Electrician is to
A. Install residential wiring only
B. Supervise journeymen and apprentices
C. Design electrical equipment
D. Sell electrical materials
Answer: B
Rationale: A Master Electrician is legally responsible for supervising electrical
work and ensuring compliance with codes.
2. Which document has the highest legal authority for electrical installations?
A. Manufacturer instructions
B. Electrical drawings
C. Electrical code
D. Client specifications
Answer: C
Rationale: Electrical codes are legally adopted and override other documents
when conflicts exist.
, 3. The NEC is primarily concerned with
A. Efficiency of electrical systems
B. Cost reduction
C. Safety of persons and property
D. Power generation
Answer: C
Rationale: The NEC’s purpose is safeguarding people and property from
electrical hazards.
4. Which conductor is intentionally grounded?
A. Equipment grounding conductor
B. Neutral conductor
C. Ungrounded conductor
D. Bonding jumper
Answer: B
Rationale: The neutral conductor is intentionally grounded to stabilize system
voltage.
5. Grounding electrodes are primarily used to
A. Clear ground faults
B. Stabilize voltage to earth
C. Increase fault current
D. Protect appliances
Answer: B
Rationale: Grounding electrodes reference the system to earth to stabilize
voltage.
6. Bonding is best defined as
A. Connecting conductors to earth
, B. Connecting metal parts together
C. Increasing resistance
D. Installing grounding rods
Answer: B
Rationale: Bonding ensures all metal parts are at the same electrical potential.
7. The minimum size equipment grounding conductor is based on
A. Circuit voltage
B. Load current
C. Overcurrent device rating
D. Conduit size
Answer: C
Rationale: Equipment grounding conductor sizing depends on the overcurrent
protective device.
8. Which device protects against overloads and short circuits?
A. GFCI
B. AFCI
C. Circuit breaker
D. Surge protector
Answer: C
Rationale: Circuit breakers provide both overload and short-circuit protection.
9. GFCI protection is primarily intended to prevent
A. Equipment damage
B. Fire hazards
C. Electric shock
D. Voltage drop
