- What Is the MT-ME Certification?
- Who Administers the Exam
- Eligibility Requirements
- Exam Format and Content
- The Three Exam Domains
- Fees, Scheduling, and Retakes
- Approved References and Calculator Rules
- Renewal and Continuing Education
- Building a Study Approach Around MT-ME
- Who Hires Montana Master Electricians
- Frequently Asked Questions
- The MT-ME exam is 80 questions in 240 minutes, open-book, with a 75% passing score.
- Exam fee is $85; the separate master application fee is $190.
- Standard eligibility requires 8,000 hours of verified journeyman-level experience, with no more than 50% residential work.
- The exam is based on the NEC 2020, effective June 10, 2022, per PSI/Board bulletin.
What Is the MT-ME Certification?
The Montana Master Electrician License Exam, commonly shortened to MT-ME, is the state-administered credential that authorizes an individual electrician to practice as a licensed master in Montana. It's issued through the Montana State Electrical Board, part of the Department of Labor and Industry, and tested through PSI Services LLC. This is a distinct, standalone license from an electrical contractor license - holding one does not automatically confer the other.
If you're brand new to the term, our companion piece What Is MT-ME? breaks down the basics, and MT-ME Meaning and What Does MT-ME Stand For? cover the terminology in more depth if you've seen the acronym used elsewhere.
Who Administers the Exam
The Montana State Electrical Board sets policy, eligibility standards, and code editions, while PSI Services LLC delivers the computer-based test at approved testing centers. The Board must approve your application before PSI will schedule your appointment - this two-step gate is a detail candidates frequently underestimate. The current PSI bulletin governing the Master Electrician 2020 examination was last updated June 21, 2022, and it specifies the three subject areas tested, along with rules on materials, timing, and identification.
For a fuller walkthrough of the licensing body's role and the overall process, see What Is MT-ME Certification? and What Is A MT-ME?.
Eligibility Requirements
Montana offers two main paths to sit for the master exam:
- Standard experience route: 8,000 hours of legally obtained, verified journeyman-level electrical experience, with no more than 50% of that experience coming from residential work.
- Education-based route: An accredited electrical-engineering degree combined with 2,000 practical electrical hours.
Applicants submit experience documentation, education records, and license verification as applicable to their path. Montana also recognizes a substantial-equivalency route for candidates holding a qualifying active, unrestricted out-of-state electrical license, which can shorten the process for licensees relocating from another state.
For the full breakdown of documentation, verification forms, and how the Board evaluates hours, read MT-ME Requirements 2026: Eligibility, Prerequisites & How to Qualify.
Key Takeaway
Track your residential-versus-commercial/industrial hour split as you accumulate experience - exceeding 50% residential work on the standard route can delay Board approval.
Exam Format and Content
The MT-ME exam is a computer-based, multiple-choice, open-book examination consisting of 80 questions to be completed in 240 minutes. A score of 75% or higher is required to pass. Being open-book doesn't make it easy - it shifts the challenge from memorization to fast, accurate code navigation under time pressure.
The exam is built on the NEC 2020 edition, which the Board designates as effective June 10, 2022. Every code-based question you'll encounter assumes this edition, not a newer or older cycle, so studying from a mismatched code book is a common and avoidable mistake.
Before test day, you'll need a Board admission letter and valid government-issued photo identification - PSI will not admit candidates without both. For a deeper look at scheduling windows and deadlines, see MT-ME Exam Dates 2026: Testing Windows, Deadlines & Scheduling, and for exactly how the 75% threshold is calculated and what it means practically, check MT-ME Passing Score 2026: Exactly What You Need to Pass.
The Three Exam Domains
The MT-ME bulletin organizes exam content into three subject areas. Understanding what each domain actually demands - not just its title - is the single biggest lever for efficient preparation.
Domain 1: National Electrical Code
This domain tests your ability to locate, interpret, and apply specific NEC 2020 articles under time constraints. Expect scenario-based questions that require cross-referencing multiple code sections rather than simple lookup.
- Navigating the NEC index and table of contents quickly
- Applying article cross-references correctly (e.g., general rules modified by specific-use articles)
- Distinguishing mandatory rules from permissive language
Domain 2: General Trade Knowledge & Theory
This area covers the underlying electrical theory, materials, and installation practices a master-level electrician is expected to know independent of a specific code citation.
- Circuit theory, transformer principles, and motor calculations
- Grounding and bonding concepts beyond rote code lookup
- Job-site practices tied to Montana Building Codes Amendments
Domain 3: Major Load Calculations
This domain focuses on quantitative problems: sizing services, feeders, and branch circuits based on load calculation methods drawn from the NEC.
- Standard and optional calculation methods for dwelling and commercial loads
- Demand factor application
- Working problems accurately within the open-book time limit
For a domain-by-domain study strategy with more depth than this overview, read MT-ME Exam Domains 2026: Complete Guide to All 3 Content Areas.
Fees, Scheduling, and Retakes
The exam fee is $85, and it's charged separately from the $190 master application fee - budget for both. The exam fee remains valid for one year, so if you're not ready to test immediately after approval, you have a reasonable window before needing to pay again.
Scheduling changes matter: you must cancel or reschedule your PSI appointment at least two days before your appointment time, or you risk forfeiting your fee. For a full cost breakdown across application, exam, and renewal fees, see MT-ME Certification Cost 2026: Complete Pricing Breakdown.
| Item | Detail |
|---|---|
| Exam Fee | $85, valid one year |
| Master Application Fee | $190 (separate from exam fee) |
| Question Count / Time | 80 questions / 240 minutes |
| Passing Score | 75% |
| Reschedule Notice | At least 2 days before appointment |
Retake rules are structured to encourage remediation, not just repeated attempts. After a second failure, candidates must wait six months and complete an approved eight-hour code seminar before retesting. After a third or subsequent failure, the wait extends to one year, requires reapplication, and mandates completion of two eight-hour seminars. This structure rewards focused preparation the first time rather than treating the exam as low-stakes practice.
Approved References and Calculator Rules
Because the exam is open-book, what you're allowed to bring matters as much as what you know. The Board approves exactly three references:
- NEC 2020
- Printreading Based on the 2020 NEC
- Montana Building Codes Amendments
Personal notes, highlighting, underlining, and added tabs are prohibited. However, the bulletin does allow factory markings, factory highlights, and factory-installed tabs already printed into the NEC - meaning a code book that ships with a manufacturer's tab system is fine, but a book you've marked up yourself is not. Added papers of any kind are also prohibited, so don't plan on slipping in a formula sheet.
For calculators, you can use the on-screen calculator provided by the testing software, or bring your own approved silent, battery-operated, nonprogrammable, nonprinting calculator that has no alphabetic keyboard. Confirm your device meets every one of these criteria before test day, since testing centers will confiscate noncompliant calculators.
Key Takeaway
Buy a clean, unmarked NEC 2020 code book specifically for test day - even accidental pencil marks from your study copy could create a compliance issue at check-in.
Renewal and Continuing Education
Once licensed, Montana master electricians renew biennially, with renewal due by July 15 of even-numbered years. Renewal requires 16 approved continuing-education hours, and at least eight of those hours must specifically cover NEC updates. Notably, upgrading from journeyman to master status does not create an exemption from education requirements at your first renewal - you're expected to meet the full CE requirement regardless of when you obtained your master license.
The Board has also listed a 50% renewal-fee abatement for the 2026 cycle, which is worth confirming directly with the Board when your renewal window approaches, since abatement terms can be cycle-specific.
For details on how license upgrades interact with your renewal timeline, see MT-ME Certification.
Building a Study Approach Around MT-ME
Generic study techniques only help if they're mapped onto the actual structure of this exam. Given the 240-minute, 80-question format and the three named domains, a practical way to sequence preparation is to dedicate early weeks to code navigation speed (Domain 1), middle weeks to theory review and load calculation practice (Domains 2 and 3), and final weeks to full timed practice runs using only your approved references.
NEC Navigation
- Drill index and cross-reference lookups against NEC 2020
- Practice locating articles relevant to Domain 1 scenarios
Theory and Calculations
- Review circuit theory and grounding/bonding concepts for Domain 2
- Work standard and optional load calculation problems for Domain 3
Timed Practice
- Simulate 80-question, 240-minute sessions using only approved references
- Review the Montana Building Codes Amendments alongside NEC sections
For a structured, week-by-week plan built specifically around this exam's format, see MT-ME Study Guide 2026: How to Pass on Your First Attempt. If you want a single-page reference of must-know facts to review the night before your test, MT-ME Cheat Sheet 2026: One-Page Review of Must-Know Facts is built for that purpose. You can also sharpen your timed recall using practice questions on our main practice test platform.
Who Hires Montana Master Electricians
A Montana master electrician license is typically sought by electricians ready to take on higher-responsibility roles - supervising journeymen, pulling permits, and signing off on installations that require master-level sign-off under Montana licensing rules. Because the individual master license is separate from an electrical contractor license, some license holders work as employed master electricians for contracting firms, while others use the master license as a step toward eventually holding a contractor license as well.
To understand how this credential translates into job opportunities and career paths in Montana, see MT-ME Jobs and MT-ME Training. If you're weighing whether the investment of hours, fees, and exam preparation is worthwhile relative to your career goals, Is the MT-ME Certification Worth It? Complete ROI Analysis 2026 and MT-ME Salary Guide 2026: Complete Earnings Analysis address that question directly. For a data-focused look at how candidates tend to perform, MT-ME Pass Rate 2026: What the Data Shows is a useful companion read.
Frequently Asked Questions
The exam has 80 multiple-choice questions to be completed within 240 minutes, administered as a computer-based, open-book test through PSI Services LLC.
You need a score of 75% or higher to pass, based on the current PSI bulletin for the Master Electrician 2020 examination.
The exam is based on the NEC 2020 edition, which the Montana State Electrical Board designates as effective June 10, 2022.
No. Personal notes, highlighting, underlining, added tabs, and additional papers are all prohibited. Only factory markings, factory highlights, and factory-installed tabs already part of your NEC book are allowed.
After a second failure, you must wait six months and complete an approved eight-hour code seminar. After a third or subsequent failure, you must wait one year, reapply, and complete two eight-hour seminars before retesting.