Certified Power Lineman Journeyman Licensing
Exam Questions and Correct Answers (Verified
Answers) Plus Rationales 2026 Q&A | Instant
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1. What is the primary purpose of a grounding system?
A. Increase voltage
B. Provide a return path for current
C. Store electrical energy
D. Reduce resistance
Answer: B
Rationale: Grounding provides a safe return path for fault current,
protecting equipment and personnel.
2. Which tool is used to measure electrical current?
A. Voltmeter
B. Ohmmeter
C. Clamp meter
D. Wattmeter
,Answer: C
Rationale: A clamp meter measures current without breaking the
circuit.
3. What does PPE stand for?
A. Personal Power Equipment
B. Protective Power Element
C. Personal Protective Equipment
D. Primary Power Equipment
Answer: C
Rationale: PPE refers to gear used to protect workers from hazards.
4. What is the unit of electrical resistance?
A. Volt
B. Ampere
C. Ohm
D. Watt
Answer: C
Rationale: Resistance is measured in ohms.
,5. What is the purpose of a transformer?
A. Store energy
B. Convert AC to DC
C. Change voltage levels
D. Increase resistance
Answer: C
Rationale: Transformers step voltage up or down.
6. Which type of current is used in transmission lines?
A. DC
B. AC
C. Pulsed
D. Static
Answer: B
Rationale: AC is used due to efficient voltage transformation.
7. What is the danger of an open neutral?
A. No effect
B. Balanced voltage
C. Voltage imbalance
, D. Increased resistance
Answer: C
Rationale: An open neutral causes uneven voltage distribution.
8. What device protects against overcurrent?
A. Transformer
B. Fuse
C. Capacitor
D. Resistor
Answer: B
Rationale: Fuses interrupt excessive current.
9. What is arc flash?
A. A voltage surge
B. A short circuit
C. An explosive release of energy
D. A transformer fault
Answer: C
Rationale: Arc flash is a dangerous electrical explosion.
Exam Questions and Correct Answers (Verified
Answers) Plus Rationales 2026 Q&A | Instant
Download Pdf
1. What is the primary purpose of a grounding system?
A. Increase voltage
B. Provide a return path for current
C. Store electrical energy
D. Reduce resistance
Answer: B
Rationale: Grounding provides a safe return path for fault current,
protecting equipment and personnel.
2. Which tool is used to measure electrical current?
A. Voltmeter
B. Ohmmeter
C. Clamp meter
D. Wattmeter
,Answer: C
Rationale: A clamp meter measures current without breaking the
circuit.
3. What does PPE stand for?
A. Personal Power Equipment
B. Protective Power Element
C. Personal Protective Equipment
D. Primary Power Equipment
Answer: C
Rationale: PPE refers to gear used to protect workers from hazards.
4. What is the unit of electrical resistance?
A. Volt
B. Ampere
C. Ohm
D. Watt
Answer: C
Rationale: Resistance is measured in ohms.
,5. What is the purpose of a transformer?
A. Store energy
B. Convert AC to DC
C. Change voltage levels
D. Increase resistance
Answer: C
Rationale: Transformers step voltage up or down.
6. Which type of current is used in transmission lines?
A. DC
B. AC
C. Pulsed
D. Static
Answer: B
Rationale: AC is used due to efficient voltage transformation.
7. What is the danger of an open neutral?
A. No effect
B. Balanced voltage
C. Voltage imbalance
, D. Increased resistance
Answer: C
Rationale: An open neutral causes uneven voltage distribution.
8. What device protects against overcurrent?
A. Transformer
B. Fuse
C. Capacitor
D. Resistor
Answer: B
Rationale: Fuses interrupt excessive current.
9. What is arc flash?
A. A voltage surge
B. A short circuit
C. An explosive release of energy
D. A transformer fault
Answer: C
Rationale: Arc flash is a dangerous electrical explosion.
