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Exam Review

Key Facts: MN Journeyman Electrician Exam

70%

Passing Score

Minnesota DLI

80

Questions

Minnesota DLI

5.5 hrs

Time Limit

Minnesota DLI

2026 NEC

Code Edition

Minn. R. 1315.0200

The Minnesota Class A journeyworker electrician exam has 80 multiple-choice questions, a 5.5-hour time limit, and a 70% passing score. DLI administers it directly and provides an untabbed 2026 NEC, a laws and rules booklet, and a calculator at the exam. Applicants need 48 months (8,000 hours) of acceptable electrical experience, including at least 24 months of wiring and installing.

Sample MN Journeyman Electrician Practice Questions

Try these sample questions to review concepts for the MN Journeyman Electrician exam. Each question includes a detailed explanation. Start the interactive quiz above for the full 307+ question experience with AI tutoring.

1According to NEC Article 100, what is the definition of a 'dwelling unit'?
A.A single unit providing complete and independent living facilities for one or more persons, including permanent provisions for living, sleeping, cooking, and sanitation
B.Any room with a bed and bathroom
C.A building designed for residential use only
D.Any structure with a kitchen
Explanation: NEC Article 100 defines a dwelling unit as providing complete and independent living facilities including permanent provisions for living, sleeping, cooking, and sanitation. This definition is critical for Minnesota electricians as it determines which NEC dwelling unit requirements apply.
2Per NEC Article 100, what does the term 'identified' mean as used in the NEC?
A.Recognized as suitable for the specific purpose, function, use, environment, or application by a qualified testing laboratory
B.Marked with the manufacturer's name
C.Listed in the NEC index
D.Approved by the local inspector
Explanation: NEC Article 100 defines 'identified' as recognized as suitable for the specific purpose, function, use, environment, or application, as described in the applicable NEC requirement. Minnesota Board of Electricity uses this definition when evaluating equipment suitability.
3Per NEC 110.3(B), what is required regarding instructions included with listed electrical equipment?
A.Listed or labeled equipment must be installed and used in accordance with any instructions included in the listing or labeling
B.Instructions are optional recommendations that do not carry code authority
C.Only the local inspector's interpretation of the instructions applies
D.Instructions only apply to commercial installations
Explanation: NEC 110.3(B) mandates that listed or labeled equipment be installed and used in accordance with any instructions included in the listing or labeling. This makes manufacturer installation instructions enforceable by Minnesota electrical inspectors.
4Per NEC 210.8(A), in a Minnesota dwelling unit, GFCI protection is required for 125-volt receptacles within what distance of a sink?
A.Within 6 feet of the outside edge of the sink
B.Within 3 feet of the sink
C.Within 10 feet of the sink
D.Only directly above the sink
Explanation: NEC 210.8(A)(7) requires GFCI protection for 125-volt, 15- and 20-ampere receptacles within 6 feet of the outside edge of a sink in dwelling units. Minnesota has adopted NEC 2023, which includes this expanded sink proximity requirement.
5Per NEC 210.11(C)(2), what dedicated circuit is required for a dwelling unit bathroom in Minnesota?
A.At least one 20-ampere branch circuit that supplies only bathroom receptacle outlet(s)
B.A 15-ampere circuit shared with bedroom outlets
C.A 20-ampere circuit shared with hallway lights
D.No dedicated bathroom circuit is required
Explanation: NEC 210.11(C)(2) requires at least one 20-ampere branch circuit for bathroom receptacle outlets. This circuit can supply outlets in multiple bathrooms but cannot supply outlets in other rooms. Minnesota Board of Electricity enforces this requirement.
6Per NEC 210.52(D), what is required for outdoor receptacle outlets at a dwelling unit in Minnesota?
A.At least two receptacles must be installed, one at the front and one at the back of the dwelling
B.One outdoor receptacle is sufficient
C.Outdoor receptacles are optional in cold climates
D.Three outdoor receptacles are required minimum
Explanation: NEC 210.52(E) requires at least two outdoor receptacle outlets for one-family dwellings — one at the front and one at the back. Both must have GFCI protection and be readily accessible. Minnesota requires compliance despite the cold climate.
7What is the ampacity of a 10 AWG copper THHN conductor at 30°C per NEC Table 310.16?
A.40 amperes
B.35 amperes
C.30 amperes
D.25 amperes
Explanation: Per NEC Table 310.16, a 10 AWG copper conductor with THHN insulation (90°C column) has an ampacity of 40 amperes at 30°C ambient temperature. Minnesota electricians must know these values for proper circuit sizing.
8Per NEC 240.4(D), what is the maximum overcurrent protection for 10 AWG copper conductors?
A.30 amperes
B.25 amperes
C.35 amperes
D.40 amperes
Explanation: NEC 240.4(D) limits overcurrent protection for 10 AWG copper to 30 amperes. This is a hard limit regardless of the conductor's ampacity at any temperature rating. Minnesota electricians must observe this maximum when sizing circuit protection.
9Per NEC 210.19(A)(1), what is the minimum conductor size for a 20-ampere branch circuit?
A.12 AWG copper
B.14 AWG copper
C.10 AWG copper
D.8 AWG copper
Explanation: NEC 210.19(A)(1) requires branch-circuit conductors to have an ampacity not less than the maximum load to be served. Per NEC 240.4(D), 12 AWG copper is the minimum size that can be protected at 20 amperes. Minnesota installations must use 12 AWG minimum for 20A circuits.
10A Minnesota dwelling has 1,800 sq ft of living space. What is the minimum number of 15-ampere general lighting circuits required?
A.Three circuits (1,800 × 3 VA = 5,400 VA ÷ 1,800 VA per circuit = 3)
B.Two circuits
C.Four circuits
D.Five circuits
Explanation: Calculate: 1,800 sq ft × 3 VA/sq ft = 5,400 VA total lighting load. Each 15A, 120V circuit supplies 1,800 VA (15 × 120). 5,400 ÷ 1,800 = 3 circuits minimum. Minnesota dwelling units must meet this minimum general lighting circuit count.

About the MN Journeyman Electrician Exam

Minnesota's Class A journeyworker electrician exam is written and administered by the Department of Labor and Industry. It tests the 2026 NEC, including wiring methods, grounding and bonding, load calculations, motor circuits, and special occupancies, along with Minnesota electrical licensing law and rules.

Exam sponsor: Minnesota Department of Labor and Industry (DLI). The requirements and fees below concern the certification or admission exam, separate from our free practice resources.

Questions

80 questions

Time Limit

5.5 hours

Passing Score

70%

Exam / Certification Fees

$50

Exam sponsor website

Reported exam pass rate: Not published. Exam sponsor website

Fees, eligibility, and exam policies can change. Confirm them with the exam sponsor before applying or paying.

Our practice resources: topics covered

We aim to reflect publicly available exam outlines and topic information in our study resources. Coverage, format, and difficulty may differ from the actual exam, and we cannot guarantee that every detail is accurate or current. Confirm exam requirements, fees, and policies with the official exam sponsor.

Not published

Minnesota Laws & Rules

Minnesota Electrical Act (326B.31 to 326B.399) and Rules 3800 and 3801: licensing, supervision, permits, and inspections

Not published

General Requirements, Wiring & Protection

NEC Article 90, Chapter 1, and Chapter 2: branch circuits, feeders, Article 120 load calculations, services, overcurrent protection, grounding and bonding

Not published

Wiring Methods & Materials

NEC Chapter 3: conductors, ampacity, boxes, raceways, cables, and conduit and box fill

Not published

Equipment for General Use

NEC Chapter 4: cords, devices, panelboards, luminaires, appliances, heating, motors, air conditioning, generators, and transformers

Not published

Special Occupancies, Equipment & Systems

NEC Chapters 5 to 8: hazardous locations, health care, agricultural buildings, pools, PV, emergency systems, limited-energy and communications

Not published

Electrical Theory & Calculations

Ohm's law, voltage drop, single- and three-phase power, transformer and motor connections, and Chapter 9 tables

Preparing for the MN Journeyman Electrician Exam

What You Need to Know

  • Passing score: 70%
  • Exam length: 80 questions
  • Time limit: 5.5 hours
  • Exam / certification fees: $50 Official sources

Using Our Practice Resources

  • Work through all 307 available questions
  • Review every answer and explanation
  • Track weak areas and revisit them
  • Use our AI tutor for tough concepts

MN Journeyman Electrician: Suggested Study Strategy

1Practice with an untabbed 2026 NEC, because DLI supplies the code book and does not allow your own tabs or notes
2Master NEC Article 250 grounding and bonding and the main tables: 250.66, 250.102(C)(1), and 250.122
3Practice dwelling and commercial load calculations under 2026 NEC Article 120, which replaced Article 220
4Know the Minnesota Electrical Act and Rules 3800 and 3801, including supervision ratios, permits, and inspections
5Review motor circuit rules in Article 430, including Table 430.250 currents, overloads, and short-circuit protection

Frequently Asked Questions

What NEC edition does Minnesota use for the electrician exam?

DLI exam questions use the 2026 National Electrical Code, which took effect in Minnesota on August 17, 2026, under Minnesota Rules part 1315.0200. DLI provides a soft-cover copy of the NEC without tabs or other aids at the exam.

Is the Minnesota electrician exam administered by PSI?

No. The Minnesota Department of Labor and Industry writes and administers its own electrical license exams. After DLI approves your iMS application, you schedule a date at the St. Paul office or a regional testing site.

How much experience is required for the Minnesota journeyworker exam?

Minnesota Rules 3800.3520 require 48 months (8,000 hours) of acceptable experience, including at least 24 months of wiring and installing. An approved two-year electrical program can count for up to 12 months, and experience must be verified on DLI forms.

Does Minnesota have journeyworker reciprocity with other states?

Yes. DLI lists journeyworker reciprocity with Alaska, Arkansas, Colorado, Iowa, Montana, Nebraska, North Dakota, South Dakota, and Wyoming. The license must have been earned by state examination and held for at least one year.