100+ Free WI Electrician Practice Questions

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Which agency administers the Journeyman Electrician license in Wisconsin?

Wisconsin Department of Commerce

Wisconsin Department of Safety and Professional Services (DSPS)

Wisconsin Building Commission

Wisconsin Department of Workforce Development

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Free Journeyman Electrician Practice Test by State 2026: 3,700+ NEC Questions24 min read

2026 Statistics

Key Facts: WI Electrician Exam

70%

Passing Score

WI DSPS

~80

Questions

DSPS

4 hrs

Time Limit

DSPS

NEC 2017

Code Edition

WI DSPS

Wisconsin's Journeyman Electrician exam has a ~55% pass rate and requires 70% to pass. Notably, Wisconsin still uses the NEC 2017 edition (not 2020 or 2023). The exam is state-administered by DSPS with ~80 questions in 4 hours. Wisconsin has reciprocity with Iowa only.

Sample WI Electrician Practice Questions

Try these sample questions to test your WI Electrician exam readiness. Each question includes a detailed explanation. Start the interactive quiz above for the full 100+ question experience with AI tutoring.

1Which agency administers the Journeyman Electrician license in Wisconsin?

A.Wisconsin Department of Commerce

B.Wisconsin Department of Safety and Professional Services (DSPS)

C.Wisconsin Building Commission

D.Wisconsin Department of Workforce Development

Explanation: The Wisconsin Department of Safety and Professional Services (DSPS) administers the Journeyman Electrician license. Unlike most states that use PSI, Wisconsin uses a state-administered exam.

2Wisconsin has reciprocity for journeyman electrician licenses with which state(s)?

A.Minnesota and Illinois

B.Iowa only

C.All Midwest states

D.No reciprocity with any state

Explanation: Wisconsin has limited reciprocity with Iowa only for journeyman electrician licenses. This is one of the most limited reciprocity arrangements among state electrician licenses.

3What NEC edition does Wisconsin currently base its Journeyman Electrician exam on?

A.NEC 2014

B.NEC 2017

C.NEC 2020

D.NEC 2023

Explanation: Wisconsin currently bases its Journeyman Electrician exam on the NEC 2017 edition. Wisconsin is one of the few states that has not yet adopted the NEC 2020 for examination purposes.

4How is the Wisconsin Journeyman Electrician exam administered differently from most other states?

A.It is an online-only exam

B.It is state-administered by DSPS rather than through PSI or Prometric

C.It is a practical hands-on exam only

D.It requires a proctor from the local union

Explanation: Wisconsin's Journeyman Electrician exam is state-administered by DSPS, unlike most states that contract with national testing services like PSI or Prometric. Candidates apply and schedule directly through DSPS.

5According to NEC 2017 Article 210.12, where are AFCI protections required in dwelling units?

A.Only bedrooms

B.Kitchens, family rooms, dining rooms, living rooms, parlors, libraries, dens, bedrooms, sunrooms, recreation rooms, closets, hallways, laundry areas, and similar areas

C.All rooms including bathrooms and garages

D.Only living rooms and bedrooms

Explanation: NEC 2017 Article 210.12(A) requires AFCI protection in kitchens, family rooms, dining rooms, living rooms, parlors, libraries, dens, bedrooms, sunrooms, recreation rooms, closets, hallways, laundry areas, and similar rooms or areas in dwelling units. Bathrooms, garages, and unfinished basements are excluded.

6What is the minimum passing score required on the Wisconsin Journeyman Electrician exam?

A.65%

B.70%

C.75%

D.80%

Explanation: The minimum passing score for the Wisconsin Journeyman Electrician exam is 70%. This means candidates must answer at least 56 of the 80 questions correctly to pass.

7Per NEC 2017 Article 210.8(A), GFCI protection is required for 125-volt, 15- and 20-ampere receptacles installed in which of the following locations in a dwelling unit?

A.Bedrooms only

B.Bathrooms, garages, outdoors, crawl spaces, basements, kitchens, laundry areas, and boathouses

C.Only bathrooms and kitchens

D.All locations within a dwelling unit

Explanation: NEC 2017 Article 210.8(A) requires GFCI protection for 125-volt, 15- and 20-ampere receptacles in bathrooms, garages, accessory buildings, outdoors, crawl spaces, basements, kitchen countertop areas, areas within 6 feet of sinks, laundry areas, and boathouses.

8According to NEC 2017 Table 310.16, what is the ampacity of a 12 AWG copper conductor with THHN insulation at 30°C ambient temperature?

A.20 amperes

B.25 amperes

C.30 amperes

D.35 amperes

Explanation: Per NEC 2017 Table 310.16, a 12 AWG copper conductor with THHN insulation (90°C column) has an ampacity of 30 amperes at 30°C ambient temperature. However, when used with 60°C terminations, the allowable ampacity is limited to 25 amperes per 110.14(C).

9Per NEC 2017 Article 250.66, what is the minimum size copper grounding electrode conductor required for a 2/0 AWG copper service-entrance conductor?

A.4 AWG

B.6 AWG

C.2 AWG

D.1/0 AWG

Explanation: Per NEC 2017 Table 250.66, for a 2/0 AWG copper service-entrance conductor, the minimum grounding electrode conductor size is 4 AWG copper. This table correlates service conductor size to the required grounding electrode conductor.

10According to NEC 2017 Article 430.52, the maximum branch circuit short-circuit and ground-fault protective device for a single motor using an inverse time breaker is what percentage of the motor full-load current?

A.125%

B.150%

C.200%

D.250%

Explanation: Per NEC 2017 Table 430.52, the maximum rating of a branch circuit short-circuit and ground-fault protective device for a single motor using an inverse time circuit breaker is 250% of the motor full-load current. If this value does not correspond to a standard size, the next higher standard rating may be used.

About the WI Electrician Exam

The Wisconsin Journeyman Electrician exam is state-administered by DSPS and based on the NEC 2017 edition. The exam covers approximately 80 questions in 4 hours testing electrical theory, NEC code compliance, load calculations, and installation practices. Wisconsin has limited reciprocity with Iowa only.

Questions

80 scored questions

Time Limit

4 hours

Passing Score

70%

Exam Fee

$50-$75 (Wisconsin Department of Safety and Professional Services (DSPS))

WI Electrician Exam Content Outline

20%

NEC General & Theory

Electrical theory, NEC 2017 definitions, blueprint reading, and Article 100 fundamentals

20%

Branch Circuits & Overcurrent Protection

Circuit sizing, AFCI/GFCI requirements per NEC 2017, conductor ampacity, and overcurrent devices

20%

Wiring Methods & Materials

Raceways, cable types, boxes, fittings, conduit fill, and installation requirements

20%

Grounding, Bonding & Services

Grounding electrode systems, bonding requirements, service entrance, and feeder sizing

20%

Motors, Special Occupancies & Calculations

Motor circuits, transformers, hazardous locations, healthcare, pools, and load calculations

How to Pass the WI Electrician Exam

What You Need to Know

Passing score: 70%
Exam length: 80 questions
Time limit: 4 hours
Exam fee: $50-$75

Keys to Passing

Complete 500+ practice questions
Score 80%+ consistently before scheduling
Focus on highest-weighted sections
Use our AI tutor for tough concepts

WI Electrician Study Tips from Top Performers

1Study from the NEC 2017 edition specifically — Wisconsin has NOT adopted the 2020 or 2023 NEC for exam purposes

2Master NEC 2017 Article 250 (Grounding and Bonding) which is heavily tested

3Practice dwelling unit load calculations per NEC 2017 Article 220 using both standard and optional methods

4Note NEC 2017 AFCI requirements differ from 2020 — kitchens and laundry areas were added in the 2017 cycle

5Review motor circuit requirements in Article 430 including overload and branch circuit protection sizing

Frequently Asked Questions

Which NEC edition does Wisconsin use for the electrician exam?

Wisconsin currently uses the NEC 2017 edition for its Journeyman Electrician exam. This is older than most states, which have adopted NEC 2020 or 2023. Study materials should reference the 2017 edition specifically.

Does Wisconsin have reciprocity with other states?

Wisconsin has limited reciprocity with Iowa only. Licensed electricians from Iowa may qualify for Wisconsin licensure, and vice versa, without retaking the full exam.

Is the Wisconsin exam administered by PSI?

No, the Wisconsin electrician exam is state-administered by the Department of Safety and Professional Services (DSPS), unlike most states that use PSI or Prometric. Apply directly through DSPS.

Is the Wisconsin electrician exam open book?

Yes, candidates are typically permitted to bring a bound copy of the NEC 2017 to the exam. No loose pages, removable tabs, or handwritten notes are allowed.