Georgia Electrical Contractor Class Ii
Examination Practice Test Questions
And Correct Answers (Verified Answers)
Plus Rationales 2026 Q&A Instant
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1. What is the primary purpose of the National Electrical Code (NEC)?
A. To design electrical equipment
B. To safeguard persons and property from electrical hazards
C. To set utility rates
D. To inspect electrical meters
Rationale: The NEC provides minimum safety standards for electrical
installations.
2. Which organization publishes the NEC?
A. OSHA
B. NFPA
C. UL
D. ANSI
B. National Fire Protection Association (NFPA)
Rationale: The NEC is published by NFPA 70.
3. The standard voltage for residential single-phase service in Georgia is
typically:
A. 120V only
, B. 240V only
C. 120/240V split-phase
D. 277/480V
Rationale: Most homes use 120/240V single-phase systems.
4. What does GFCI primarily protect against?
A. Overcurrent
B. Short circuit
C. Ground-fault shock hazards
D. Voltage drop
Rationale: GFCIs protect people from electric shock.
5. Minimum burial depth for PVC conduit under residential driveways (NEC
general rule) is:
A. 6 inches
B. 12 inches
C. 18 inches
D. 24 inches
Rationale: NEC typically requires 18 inches for PVC under driveways.
6. The function of a circuit breaker is to:
A. Increase voltage
B. Store energy
C. Interrupt overcurrent automatically
D. Regulate frequency
Rationale: Breakers protect circuits from overloads.
7. What device protects against arc faults?
A. GFCI
B. MCCB
C. AFCI
D. Transformer
Rationale: AFCIs detect dangerous arc faults.
, 8. Ohm’s Law states:
A. P = IV
B. V = I × R
C. I = P/R
D. R = V × P
Rationale: Ohm’s Law defines voltage, current, and resistance.
9. What is the color of the equipment grounding conductor?
A. White
B. Red
C. Green or bare copper
D. Blue
Rationale: Grounding conductors are green or bare.
10.A 20-amp circuit uses wire size minimum:
A. 14 AWG
B. 12 AWG
C. 10 AWG
D. 8 AWG
Rationale: 12 AWG is required for 20 amps.
11.Voltage drop should generally not exceed:
A. 1%
B. 3% on branch circuits
C. 10%
D. 15%
Rationale: NEC recommends 3% max for efficiency.
12.A transformer changes:
A. Frequency
B. Resistance
C. Voltage level
D. Current type only
Rationale: Transformers step voltage up or down.
Examination Practice Test Questions
And Correct Answers (Verified Answers)
Plus Rationales 2026 Q&A Instant
Download Pdf
1. What is the primary purpose of the National Electrical Code (NEC)?
A. To design electrical equipment
B. To safeguard persons and property from electrical hazards
C. To set utility rates
D. To inspect electrical meters
Rationale: The NEC provides minimum safety standards for electrical
installations.
2. Which organization publishes the NEC?
A. OSHA
B. NFPA
C. UL
D. ANSI
B. National Fire Protection Association (NFPA)
Rationale: The NEC is published by NFPA 70.
3. The standard voltage for residential single-phase service in Georgia is
typically:
A. 120V only
, B. 240V only
C. 120/240V split-phase
D. 277/480V
Rationale: Most homes use 120/240V single-phase systems.
4. What does GFCI primarily protect against?
A. Overcurrent
B. Short circuit
C. Ground-fault shock hazards
D. Voltage drop
Rationale: GFCIs protect people from electric shock.
5. Minimum burial depth for PVC conduit under residential driveways (NEC
general rule) is:
A. 6 inches
B. 12 inches
C. 18 inches
D. 24 inches
Rationale: NEC typically requires 18 inches for PVC under driveways.
6. The function of a circuit breaker is to:
A. Increase voltage
B. Store energy
C. Interrupt overcurrent automatically
D. Regulate frequency
Rationale: Breakers protect circuits from overloads.
7. What device protects against arc faults?
A. GFCI
B. MCCB
C. AFCI
D. Transformer
Rationale: AFCIs detect dangerous arc faults.
, 8. Ohm’s Law states:
A. P = IV
B. V = I × R
C. I = P/R
D. R = V × P
Rationale: Ohm’s Law defines voltage, current, and resistance.
9. What is the color of the equipment grounding conductor?
A. White
B. Red
C. Green or bare copper
D. Blue
Rationale: Grounding conductors are green or bare.
10.A 20-amp circuit uses wire size minimum:
A. 14 AWG
B. 12 AWG
C. 10 AWG
D. 8 AWG
Rationale: 12 AWG is required for 20 amps.
11.Voltage drop should generally not exceed:
A. 1%
B. 3% on branch circuits
C. 10%
D. 15%
Rationale: NEC recommends 3% max for efficiency.
12.A transformer changes:
A. Frequency
B. Resistance
C. Voltage level
D. Current type only
Rationale: Transformers step voltage up or down.
