- The Class A Master exam has 80 questions, a 5-hour-30-minute limit, and requires a 70% score.
- DLI administers this exam directly and charges a $50 application/examination fee.
- It's open-book with DLI-supplied materials only - no personal NEC, tabs, or notes allowed.
- Exams on or after September 8, 2026 shift to the 2026 NEC, a separate date from the August 17, 2026 installation-code change.
What the MN-ME Exam Actually Tests
The Minnesota Master Electrician License Exam - designated AM in the Minnesota Department of Labor and Industry's (DLI) examination guide - is the credential gate for anyone pursuing a personal Class A Master Electrician license in Minnesota. DLI, working with the Minnesota Board of Electricity, writes and administers this exam directly. There's no third-party testing vendor branding to sort through; the source of truth is DLI's own Electrical License Examination Guide.
The exam is built around 80 questions and gives you 5 hours and 30 minutes to finish. You need a 70% score to pass. Questions are multiple-choice, but "multiple-choice" doesn't mean simple recall - the exam mixes straightforward code-lookup items with electrical calculations and questions that require selecting more than one correct answer. Every question carries equal point value, and partial credit isn't awarded unless a specific question states otherwise. That last detail matters: a multi-answer question you get half-right still counts as wrong unless told otherwise, so guessing strategy has to change depending on question type.
If you want the full breakdown of how difficult this exam actually is relative to its format and time pressure, see How Hard Is the MN-ME Exam? Complete Difficulty Guide 2026.
The 11 Domains You'll Face
DLI's examination matrix organizes content into 11 domains that mirror the structure of the National Electrical Code itself, plus an applied-theory section. Knowing this structure changes how you study - you're not memorizing isolated facts, you're learning to navigate a code book under time pressure.
Domain 1: Introduction
Covers the NEC's scope, purpose, and how the code is arranged - foundational for fast navigation during the timed exam.
- Understand how Article 90 frames the rest of the code
Domain 2: Chapter 1 General
Definitions and general requirements that get referenced constantly elsewhere in the code.
- Master Article 100 definitions - they resolve ambiguity in later chapters
Domain 3: Chapter 2 Wiring and Protection
Branch circuits, feeders, overcurrent protection, grounding and bonding - dense, calculation-friendly territory.
- Expect calculation questions built around this chapter
Domain 4: Chapter 3 Wiring Methods and Materials
Conductor and raceway rules candidates must apply, not just recognize.
- Practice locating installation requirements quickly by article number
Domain 5: Chapter 4 Equipment for General Use
Motors, appliances, and general equipment provisions frequently tested with applied scenarios.
- Cross-reference equipment articles with Chapter 2 protection rules
Domain 6: Chapter 5 Special Occupancies
Hazardous locations and occupancy-specific rules that master-level candidates are expected to apply confidently.
- Know which occupancy triggers which article
Domain 7: Chapter 6 Special Equipment
Signs, EVs, solar, and similar specialty installations.
- Don't skip this chapter assuming it's low-frequency - it's still tested
Domain 8: Chapter 7 Specific Conditions and Systems
Emergency systems, standby power, and optional standby systems.
- Focus on distinctions between system types
Domain 9: Chapter 8 Communication Systems
Outside and entering-building communication wiring - a narrower but distinct section.
- Learn where Chapter 8 rules override or coexist with Chapters 1-7
Domain 10: Chapter 9 Tables
Conductor fill, ampacity, and similar reference tables used constantly in calculation questions.
- Practice pulling values from these tables under time pressure
Domain 11: Applied Electrical Theory, Electrical Systems and Equipment
Theory-based questions that test understanding, not just code lookup - Ohm's law, power calculations, system behavior.
- This is where a plain code index won't save you; you need conceptual fluency
For a deeper walkthrough of how these domains are weighted and how to sequence your review, read MN-ME Exam Domains 2026: Complete Guide to All 11 Content Areas.
Eligibility Routes and Application Mechanics
Before you can sit for the exam, DLI has to approve your eligibility. There are three accepted paths:
- An electrical engineering degree from an accredited college or university
- One year of work as a licensed journeyworker electrician
- Five years of practical experience planning, laying out, supervising, or installing electrical wiring, apparatus, or equipment
You submit your education and experience documentation to DLI and receive approval before you're allowed to schedule a test date. Once approved, the application and examination fee is $50. This is a straightforward, single fee covering both the application review and the sitting itself - there's no separate scheduling charge layered on top from DLI's side.
Key Takeaway
Start your documentation early. Approval has to happen before scheduling, so gathering journeyworker records or experience verification the week before you want to test will only delay you.
The full eligibility breakdown - including how DLI verifies experience hours and what documentation typically satisfies each route - is covered in MN-ME Requirements 2026: Eligibility, Prerequisites & How to Qualify. If you're still mapping out testing windows once you're approved, MN-ME Exam Dates 2026: Testing Windows, Deadlines & Scheduling walks through scheduling logistics.
Exam Day: Open-Book Materials and the Clock
This is an open-book exam, but "open-book" here means something specific and limited. DLI provides the materials at the test site:
- An untabbed, softcover copy of the NEC
- The applicable Minnesota Laws and Rules Booklet
- A basic calculator
Personal reference materials and electronic devices are prohibited - no tabbed code books, no personal calculators, no phones, no printed notes. That untabbed detail is easy to underestimate: candidates who train exclusively on a heavily tabbed personal code book often lose real time on exam day simply relearning how to navigate an unmarked table of contents and index under pressure.
Because the exam blends recall, lookup, and calculation, pacing across 330 minutes and 80 questions requires discipline. Flag calculation-heavy questions from Domains 3, 5, and 10 and return to them after clearing lookup-based questions elsewhere. For a precise explanation of how the 70% threshold is calculated across 80 equally weighted questions, see MN-ME Passing Score 2026: Exactly What You Need to Pass.
The 2026 NEC Transition
One detail candidates frequently confuse: there are two separate 2026 dates in play, and they are not the same transition.
| Date | What Changes |
|---|---|
| August 17, 2026 | Installation-code effective date (field/installation requirements) |
| September 8, 2026 | Exam transition - examinations on or after this date use the 2026 NEC |
If your exam date falls before September 8, 2026, you'll be tested on the code edition in effect prior to that transition. If it falls on or after that date, you're working from the 2026 NEC. Confirm which edition applies to your specific scheduled date before you build a study plan around a particular code year - studying the wrong edition's article numbering and table values wastes real preparation time.
A Domain-Based Study Timeline
Generic weekly study templates don't map well onto an 11-domain, code-heavy exam. Instead, sequence your weeks around domain density and calculation load, saving lighter domains for review weeks.
Domains 1-2
- Build fluency navigating the untabbed NEC table of contents and index
- Drill Article 100 definitions until recall is automatic
Domain 3
- Work branch circuit, feeder, and overcurrent protection calculations daily
- Practice grounding and bonding scenario questions
Domains 4-5
- Pair wiring methods with equipment-use articles side by side
- Time yourself locating cross-referenced requirements
Domains 6-9
- Focus on special occupancies, special equipment, and communication systems
- Build a quick-reference mental map of which chapter governs which scenario
Domains 10-11
- Master Chapter 9 tables under a timer
- Review applied theory - power calculations, Ohm's law application, system behavior
Full-Length Practice
- Simulate the full 80-question, 330-minute format using untabbed materials
- Review every missed question against its exact domain
Running full-length timed simulations at the practice test platform before your scheduled date is the single most reliable way to confirm your pacing holds up across all 11 domains, not just the ones you feel confident in.
Scoring, Passing, and Retesting
Every question is worth the same amount toward your final score, and partial credit isn't given unless a question explicitly states otherwise - so a multi-select question answered 80% correctly still typically counts as a miss. You need 70% overall to pass.
Per the Board of Electricity's April 14, 2026 minutes, 2026 year-to-date master pass rates stood at 44.7% by total examinations and 47% by test taker - two different denominators measuring the same underlying pool, and both figures predate the September 2026 NEC transition. That gap between "examinations" and "test takers" matters because some candidates account for multiple attempts within the same period.
For a full statistical breakdown of what these pass-rate figures mean for your preparation strategy, read MN-ME Pass Rate 2026: What the Data Shows. And if you want a single condensed reference to review in the final days before your test, bookmark MN-ME Cheat Sheet 2026: One-Page Review of Must-Know Facts.
Life After the Exam
Passing the exam gets you the personal Class A Master Electrician license - which is separate from an electrical contractor business license. Keep in mind that master licenses expire on the last day of February in odd-numbered years, and renewal costs $93 with 16 hours of approved continuing education required per two-year period, including at least 12 NEC hours. Budgeting for that recurring cost is worth doing now rather than being surprised later; see MN-ME Certification Cost 2026: Complete Pricing Breakdown for the full fee picture across application, exam, and renewal.
Holding this license opens doors with contractors, facilities departments, and utilities across Minnesota that specifically require a licensed master on staff or as a supervising qualifier. If you're weighing the career payoff before committing the study hours, Is the MN-ME Certification Worth It? Complete ROI Analysis 2026 and MN-ME Salary Guide 2026: Complete Earnings Analysis lay out what the credential typically means for employability and role scope. Once licensed, browsing current openings at MN-ME Jobs is a practical next step.
Whatever stage you're at, running consistent timed practice sessions through our full practice test library before your scheduled date remains the most direct way to convert domain knowledge into exam-day performance.
FAQ
The Minnesota Department of Labor and Industry (DLI) administers the exam directly, in coordination with the Minnesota Board of Electricity. There is no separate third-party testing vendor for this exam.
No. DLI provides an untabbed softcover NEC, the applicable Minnesota Laws and Rules Booklet, and a basic calculator. Personal reference materials and electronic devices are prohibited.
The exam has 80 questions with a 5-hour-30-minute time limit, and you need a 70% score to pass.
Examinations taken on or after September 8, 2026 use the 2026 NEC. This exam transition date is separate from the August 17, 2026 installation-code effective date, so confirm which applies to your scheduled test date.
You must wait 30 days after notification of failure before applying to retest. Use that time to focus review on the specific domains where you lost points rather than restarting general study.