- MN-ME stands for the Minnesota Master Electrician License Exam, administered directly by DLI.
- The exam is 80 questions, 5 hours 30 minutes, open-book, with a 70% passing score.
- Content is organized into 11 domains matching NEC chapter structure plus applied theory.
- Application and exam fee is $50; renewal every two years costs $93 with 16 CE hours.
Breaking Down the MN-ME Acronym
MN-ME stands for the Minnesota Master Electrician License Exam. Each part of the abbreviation maps to something concrete: "MN" identifies the state jurisdiction - Minnesota, as opposed to any other state's electrical licensing exam - and "ME" identifies the license level: Master Electrician, the highest personal electrical license tier that Minnesota's Department of Labor and Industry issues to individuals. In DLI's own examination guide, this credential is tracked internally as Class A Master Electrician, coded AM.
It's worth pausing on that distinction because the acronym gets used loosely in casual conversation among tradespeople, and other unrelated credentials elsewhere happen to share the same three letters. On this site, MN-ME refers to exactly one thing: the personal licensing exam a Minnesota electrician sits for to become a Master Electrician under DLI and the Minnesota Board of Electricity. If you're researching what this credential entails before you commit study time, our What Is MN-ME? and MN-ME Meaning guides go deeper into the plain-language definition.
Who Issues and Administers the MN-ME
The Minnesota Department of Labor and Industry (DLI), working with the Minnesota Board of Electricity, is the governing and examining authority. Unlike some states that outsource testing to third-party vendors, DLI administers the Master Electrician examination directly. That means the application, the eligibility review, the scheduling, and the actual test-day administration all run through the same state agency rather than being split across multiple organizations.
Practically, this matters for how you prepare. Because DLI writes and controls the exam, its published examination guide is the single authoritative source for content structure, allowed materials, and scoring rules - there's no separate vendor blueprint to cross-reference. If you want a full walkthrough of how DLI structures the whole licensing process, from documentation to approval to test-day logistics, see MN-ME Requirements 2026.
What the MN-ME Actually Covers
DLI's examination matrix breaks the Master Electrician exam into 11 domains. These aren't arbitrary study categories - they mirror the chapter structure of the National Electrical Code itself, plus an applied theory domain that ties code knowledge back to real systems and equipment.
Domain 1: Introduction
Foundational scope-and-purpose material that frames how the rest of the Code is organized and applied.
Domain 2: Chapter 1 General
Definitions, general requirements, and the baseline terminology used throughout every other chapter.
Domain 3: Chapter 2 Wiring and Protection
Branch circuits, feeders, overcurrent protection, and grounding/bonding fundamentals.
- A heavily tested area given how often overcurrent and grounding questions appear on master-level exams
Domain 4: Chapter 3 Wiring Methods and Materials
Conductor and raceway installation rules, boxes, and cable/conduit applications.
Domain 5: Chapter 4 Equipment for General Use
Motors, appliances, HVAC equipment, and general-use electrical equipment provisions.
Domain 6: Chapter 5 Special Occupancies
Hazardous locations, health care facilities, and other occupancy-specific wiring rules.
Domain 7: Chapter 6 Special Equipment
Elevators, signs, EV charging, solar, and other equipment-specific installations.
Domain 8: Chapter 7 Specific Conditions and Systems
Emergency systems, standby power, and other condition-driven requirements.
Domain 9: Chapter 8 Communication Systems - Outside and Entering Buildings
Low-voltage and communications wiring as it interfaces with power systems.
Domain 10: Chapter 9 Tables
Conductor ampacity, conduit fill, and other reference tables candidates must be able to navigate quickly under time pressure.
Domain 11: Applied Electrical Theory, Electrical Systems and Equipment
Calculation-heavy applied theory that ties Ohm's Law, power formulas, and system design together with code requirements.
For a full breakdown of how heavily each domain is weighted and how to sequence review around them, read MN-ME Exam Domains 2026: Complete Guide to All 11 Content Areas.
Key Takeaway
Because the domains follow NEC chapter order, the fastest way to build fluency is to work through your Code book chapter by chapter rather than jumping between unrelated topics.
Exam Format and Mechanics
The MN-ME consists of 80 questions with a 5-hour-30-minute time limit and a 70% passing requirement. Questions are multiple-choice, but not all of them are simple lookups: the exam includes electrical calculations and items that require more than one correct answer selected. Every question carries equal point value, and partial credit is not awarded unless a specific question states otherwise - so a multi-answer item is scored as right or wrong as a whole, not partially graded.
The exam is open-book, but only with DLI-provided materials at the testing station: an untabbed softcover NEC, the applicable Minnesota Laws and Rules Booklet, and a basic calculator. Personal reference materials, tabbed code books, and electronic devices are prohibited. This is a critical detail - candidates who are used to studying from a heavily tabbed personal code book need to rebuild their navigation speed using an untabbed copy before test day, since flipping to the right table or section quickly is part of what the time limit is testing.
| Exam Detail | Specification |
|---|---|
| Question count | 80 multiple-choice items |
| Time limit | 5 hours 30 minutes |
| Passing score | 70% |
| Format | Open-book, DLI-provided materials only |
| Application/exam fee | $50 |
For the exact scoring mechanics and what a 70% threshold means in terms of missed questions, see MN-ME Passing Score 2026. If you're weighing how the format and calculation questions compare to other trades exams you may have taken, How Hard Is the MN-ME Exam? covers that in detail.
Eligibility Routes Before You Can Sit for the MN-ME
You can't simply register and show up - DLI requires approval before scheduling. There are three accepted paths to eligibility:
- An electrical-engineering degree from an accredited college or university
- One year of work as a licensed journeyworker electrician
- Five years of practical experience in planning, laying out, supervising, and installing electrical wiring, apparatus, or equipment
Whichever route applies, you submit the required education and experience documentation to DLI and wait for approval before you can schedule a test date. This approval step is easy to underestimate - candidates who assume they can register the moment they hit their experience threshold often lose weeks waiting on paperwork review. Build that lag time into your planning, especially if you're targeting a specific exam window. Full documentation requirements and submission tips are covered in MN-ME Requirements 2026: Eligibility, Prerequisites & How to Qualify.
Fees, Scheduling, and Retesting
The application and examination fee is $50, covering DLI's review of your eligibility documentation and the exam itself. If you don't pass on your first attempt, DLI requires a 30-day wait after notification of failure before you can apply to retest - plan your study runway with that gap in mind rather than assuming you can rebook immediately.
One scheduling detail that deserves close attention: exams taken on or after September 8, 2026 will use the 2026 National Electrical Code. This exam-content transition is a separate date from the August 17, 2026 installation-code effective date, so don't confuse the two. If your test date falls close to that September cutoff, confirm which Code edition applies to your specific appointment before you finalize your study materials. Our MN-ME Exam Dates 2026 guide tracks these transition windows in more detail, and MN-ME Certification Cost 2026 breaks down the full cost picture including renewal.
After You Pass: Keeping the License Active
Passing the MN-ME gets you the Master Electrician license, but the license itself isn't permanent without upkeep. Master licenses expire on the last day of February in odd-numbered years. Renewal costs $93 and requires 16 hours of approved continuing education per two-year period, with at least 12 of those hours specifically covering the NEC. Given how frequently the Code updates - as the 2026 transition shows - this CE requirement is designed to keep licensed Masters current rather than letting knowledge go stale between renewal cycles.
Once licensed, many electricians use the Master credential as a stepping stone toward supervisory roles, running their own contracting business, or qualifying a company for an electrical contractor license. If you're curious how the credential translates into career and earnings outcomes, MN-ME Salary Guide 2026 and Is the MN-ME Certification Worth It? unpack that from a return-on-investment angle, and MN-ME Jobs looks at who is actually hiring at this license level.
Code Structure Domains
- Work through Domain 2 (Chapter 1 General) and Domain 3 (Chapter 2 Wiring and Protection) using an untabbed NEC to build lookup speed
Methods and Equipment Domains
- Cover Domains 4 and 5 (Chapters 3 and 4), then move into Domains 6-9 (special occupancies through communications systems)
Tables and Applied Theory
- Drill Domain 10 (Chapter 9 Tables) for ampacity and conduit fill speed, then focus calculation practice on Domain 11 (Applied Electrical Theory)
For a structured week-by-week plan built specifically around these 11 domains and the 5-hour-30-minute time constraint, see MN-ME Study Guide 2026: How to Pass on Your First Attempt. And if you want a condensed reference for last-minute review, the MN-ME Cheat Sheet 2026 summarizes the must-know facts in one page. You can also start practicing under realistic timed conditions right now on our MN-ME practice test platform.
Frequently Asked Questions
MN-ME stands for the Minnesota Master Electrician License Exam, administered by the Minnesota Department of Labor and Industry alongside the Minnesota Board of Electricity. In DLI's own documentation it is tracked as Class A Master, coded AM.
The exam has 80 multiple-choice questions with a 5-hour-30-minute time limit. You need a 70% score to pass, and questions carry equal point value with no partial credit unless a question states otherwise.
No. The exam is open-book, but only using DLI-provided materials: an untabbed softcover NEC, the applicable Minnesota Laws and Rules Booklet, and a basic calculator. Personal reference materials and electronic devices are prohibited.
DLI requires a 30-day waiting period after you're notified of a failing result before you can apply to retest. Use that window to revisit weaker domains rather than rebooking immediately.
Yes. Examinations taken on or after September 8, 2026 will be based on the 2026 National Electrical Code. This exam-content transition date is separate from the August 17, 2026 installation-code effective date, so candidates near that window should confirm which edition applies to their scheduled test.