Electrician License Exam Prep 2026 –
Journeyman & State Exam Practice
Questions, Verified Answers & Detailed
Rationales | NEC Code, Electrical Theory,
Load Calculations & Wiring Methods
• This exam prep material contains verified multiple-choice questions with
highlighted correct answers and detailed EXPERT RATIONALE— covering every
major topic tested on the Journeyman and State Electrician License Exams.
• Study by attempting each question before checking the answer — read the
EXPERT RATIONALE thoroughly even when correct, as understanding the why is
what separates passing from failing on exam day.
ELECTRICIAN LICENSE EXAM PREP 2026
Journeyman & State Exam Practice Questions
NEC Code | Electrical Theory | Load Calculations | Wiring Methods
SECTION 1: NEC CODE FUNDAMENTALS
Q1. What organization publishes the National Electrical Code (NEC)?
A. Occupational Safety and Health Administration (OSHA)
B. Institute of Electrical and Electronics Engineers (IEEE)
C. Underwriters Laboratories (UL)
D. National Fire Protection Association (NFPA)
E. American National Standards Institute (ANSI)
Correct Answer: D. National Fire Protection Association (NFPA)
EXPERT RATIONALE: The NEC is published by the NFPA as NFPA 70. It is not a
law by itself but becomes legally enforceable when adopted by local or state
authorities having jurisdiction (AHJ).
,Q2. What is the maximum number of service disconnecting means permitted
at a single service location per NEC 230.71?
A. Two
B. Four
C. Six
D. Eight
E. Ten
Correct Answer: C. Six
EXPERT RATIONALE: NEC 230.71(A) allows a maximum of six switches or circuit
breakers to serve as the service disconnect. This rule ensures that a building's
power can be shut off with no more than six hand operations.
Q3. Per NEC 210.52, receptacles in a dwelling unit must be placed so that no
point along any wall space is more than how far from a receptacle?
A. 4 feet
B. 6 feet
C. 8 feet
D. 10 feet
E. 12 feet
Correct Answer: B. 6 feet
EXPERT RATIONALE: NEC 210.52(A)(1) states that receptacles shall be installed
so that no point measured horizontally along the floor line of any wall space is
more than 1.8 m (6 feet) from a receptacle outlet.
,Q4. Which NEC article governs the grounding and bonding of electrical
systems?
A. Article 200
B. Article 210
C. Article 230
D. Article 240
E. Article 250
Correct Answer: E. Article 250
EXPERT RATIONALE: Article 250 of the NEC covers all requirements for
grounding and bonding of electrical systems, equipment, and conductors. It is one
of the most referenced and tested articles in the NEC.
Q5. What is the minimum free conductor length required at each outlet,
junction, or switch box per NEC 300.14?
A. 4 inches
B. 6 inches
C. 8 inches
D. 10 inches
E. 12 inches
Correct Answer: B. 6 inches
EXPERT RATIONALE: NEC 300.14 requires at least 150 mm (6 inches) of free
conductor to be left at each outlet, junction, and switch point for splicing or for
connection of luminaires or devices.
Q6. What is the minimum headroom required in front of electrical equipment
per NEC 110.26(A)(3)?
, A. 5.5 feet
B. 6.0 feet
C. 6.5 feet
D. 7.0 feet
E. 8.0 feet
Correct Answer: C. 6.5 feet
EXPERT RATIONALE: NEC 110.26(A)(3) requires a minimum headroom of 6.5
feet (2.0 m) in front of all electrical equipment. This ensures safe access and
working conditions for electricians servicing the equipment.
Q7. Which NEC article covers Electrical Metallic Tubing (EMT)?
A. Article 344
B. Article 348
C. Article 352
D. Article 358
E. Article 362
Correct Answer: D. Article 358
EXPERT RATIONALE: Article 358 of the NEC covers the use, installation, and
construction specifications for Electrical Metallic Tubing (EMT), a lightweight steel
raceway commonly used in commercial and residential wiring.
Q8. What is the maximum number of overcurrent devices permitted in a
single panelboard per NEC 408.54?
A. 24
B. 30
Journeyman & State Exam Practice
Questions, Verified Answers & Detailed
Rationales | NEC Code, Electrical Theory,
Load Calculations & Wiring Methods
• This exam prep material contains verified multiple-choice questions with
highlighted correct answers and detailed EXPERT RATIONALE— covering every
major topic tested on the Journeyman and State Electrician License Exams.
• Study by attempting each question before checking the answer — read the
EXPERT RATIONALE thoroughly even when correct, as understanding the why is
what separates passing from failing on exam day.
ELECTRICIAN LICENSE EXAM PREP 2026
Journeyman & State Exam Practice Questions
NEC Code | Electrical Theory | Load Calculations | Wiring Methods
SECTION 1: NEC CODE FUNDAMENTALS
Q1. What organization publishes the National Electrical Code (NEC)?
A. Occupational Safety and Health Administration (OSHA)
B. Institute of Electrical and Electronics Engineers (IEEE)
C. Underwriters Laboratories (UL)
D. National Fire Protection Association (NFPA)
E. American National Standards Institute (ANSI)
Correct Answer: D. National Fire Protection Association (NFPA)
EXPERT RATIONALE: The NEC is published by the NFPA as NFPA 70. It is not a
law by itself but becomes legally enforceable when adopted by local or state
authorities having jurisdiction (AHJ).
,Q2. What is the maximum number of service disconnecting means permitted
at a single service location per NEC 230.71?
A. Two
B. Four
C. Six
D. Eight
E. Ten
Correct Answer: C. Six
EXPERT RATIONALE: NEC 230.71(A) allows a maximum of six switches or circuit
breakers to serve as the service disconnect. This rule ensures that a building's
power can be shut off with no more than six hand operations.
Q3. Per NEC 210.52, receptacles in a dwelling unit must be placed so that no
point along any wall space is more than how far from a receptacle?
A. 4 feet
B. 6 feet
C. 8 feet
D. 10 feet
E. 12 feet
Correct Answer: B. 6 feet
EXPERT RATIONALE: NEC 210.52(A)(1) states that receptacles shall be installed
so that no point measured horizontally along the floor line of any wall space is
more than 1.8 m (6 feet) from a receptacle outlet.
,Q4. Which NEC article governs the grounding and bonding of electrical
systems?
A. Article 200
B. Article 210
C. Article 230
D. Article 240
E. Article 250
Correct Answer: E. Article 250
EXPERT RATIONALE: Article 250 of the NEC covers all requirements for
grounding and bonding of electrical systems, equipment, and conductors. It is one
of the most referenced and tested articles in the NEC.
Q5. What is the minimum free conductor length required at each outlet,
junction, or switch box per NEC 300.14?
A. 4 inches
B. 6 inches
C. 8 inches
D. 10 inches
E. 12 inches
Correct Answer: B. 6 inches
EXPERT RATIONALE: NEC 300.14 requires at least 150 mm (6 inches) of free
conductor to be left at each outlet, junction, and switch point for splicing or for
connection of luminaires or devices.
Q6. What is the minimum headroom required in front of electrical equipment
per NEC 110.26(A)(3)?
, A. 5.5 feet
B. 6.0 feet
C. 6.5 feet
D. 7.0 feet
E. 8.0 feet
Correct Answer: C. 6.5 feet
EXPERT RATIONALE: NEC 110.26(A)(3) requires a minimum headroom of 6.5
feet (2.0 m) in front of all electrical equipment. This ensures safe access and
working conditions for electricians servicing the equipment.
Q7. Which NEC article covers Electrical Metallic Tubing (EMT)?
A. Article 344
B. Article 348
C. Article 352
D. Article 358
E. Article 362
Correct Answer: D. Article 358
EXPERT RATIONALE: Article 358 of the NEC covers the use, installation, and
construction specifications for Electrical Metallic Tubing (EMT), a lightweight steel
raceway commonly used in commercial and residential wiring.
Q8. What is the maximum number of overcurrent devices permitted in a
single panelboard per NEC 408.54?
A. 24
B. 30
