- What DE-ME Actually Stands For
- Which License "ME" Refers To
- Who Administers the DE-ME Exam
- How the Exam Is Structured
- The Ten Content Domains Behind the Acronym
- Getting to the "ME" Part: Eligibility Routes
- Fees Tied to the DE-ME Designation
- Don't Confuse DE-ME With Other Delaware Licenses
- How to Prepare Once You Know What DE-ME Means
- FAQ
- DE-ME stands for the Delaware Master Electrician License Exam, administered through Prov for the Delaware Board of Electrical Examiners.
- "ME" specifically refers to the Master Electrician license, not the Master Electrician Special or Limited Electrician license.
- The exam is 80 questions, 3 hours, open book, computer-administered, with a 75% passing score.
- Total cost to sit for DE-ME is $303 ($100 Prov exam fee plus $203 Board application fee), before books and insurance.
What DE-ME Actually Stands For
DE-ME is shorthand for the Delaware Master Electrician License Exam. "DE" refers to the state of Delaware, and "ME" refers to the Master Electrician license category regulated by the Delaware Board of Electrical Examiners, part of the Division of Professional Regulation. On this site, DE-ME is simply an identifier for that specific credential exam - it is not a universal acronym, and it should not be confused with similarly abbreviated credentials from other industries or states. Every fact in this article applies only to the Delaware electrical licensing pathway.
If you landed here because you searched "DE-ME" and want the full picture beyond the name itself, our companion piece on What Is DE-ME? walks through the exam's purpose and audience in more depth, while DE-ME Meaning covers the terminology from a slightly different angle.
Which License "ME" Refers To
Delaware's Board of Electrical Examiners issues more than one type of electrical license, and it's easy to mix them up. The "ME" in DE-ME points to the Master Electrician license specifically - a distinct credential from the Master Electrician Special license and the Limited Electrician license. Each of those has its own scope of work, eligibility rules, and in some cases its own exam. When people ask "what is a DE-ME," they're asking about the full Master Electrician pathway, not a specialty or limited variant.
Understanding this distinction matters before you invest time studying: make sure the license you're pursuing matches the scope of work you actually plan to perform. If you're still confirming this is the right track, see What Is A DE-ME? for a breakdown of what the Master designation permits.
Who Administers the DE-ME Exam
Two organizations are involved in getting a candidate from application to license:
- Delaware Board of Electrical Examiners (Division of Professional Regulation): Sets eligibility requirements, reviews applications through the DELPROS system, and approves candidates to sit for the exam.
- Prov: The third-party testing provider that delivers the actual computer-administered exam, publishes the official candidate information bulletin, and manages test-center and remote scheduling.
You cannot schedule an exam directly with Prov until the Board has approved your application through DELPROS. This two-step gate is one of the most overlooked parts of the process - candidates sometimes assume they can register with Prov first, only to find their application is still pending Board review.
Key Takeaway
Submit your DELPROS application to the Board well before your target test date. Only after Board approval can you book a seat with Prov, so build that lead time into your planning.
How the Exam Is Structured
The DE-ME exam consists of 80 questions delivered over a 3-hour window. It is computer-administered and, notably, open book - you're allowed to bring approved references into the testing session rather than relying purely on memorization. The passing score is 75%.
Approved materials for the exam session (per Prov's June 24, 2025 bulletin) include the 2020 NEC, the American Electricians' Handbook 17th edition, and Ugly's Electrical References 2020. You're permitted to use permanent tabs and highlighting inside these references, along with a simple four-function calculator. Handwritten notes, temporary tabs, and loose inserts are not allowed - if a proctor spots them, expect them to be confiscated before you begin.
You can sit for the exam at a Prov test center or through an Examroom remote-proctored appointment, depending on what's available and what you prefer. If you don't pass on the first try, retakes are available after a minimum seven-day interval - plenty of time to target the specific domains you missed rather than re-cramming everything. For a deeper look at how tough this format actually feels in practice, read How Hard Is the DE-ME Exam? Complete Difficulty Guide 2026, and for the scoring mechanics themselves, see DE-ME Passing Score 2026: Exactly What You Need to Pass.
The Ten Content Domains Behind the Acronym
Knowing what DE-ME stands for is only useful once you understand what it actually tests. The 80 questions are pulled from ten official domains, with allocations set by the Board and Prov. General Electrical Knowledge carries the largest share of questions, making it the single highest-priority area to master.
Domain 1: General Electrical Knowledge
The largest domain by question count. Covers foundational code concepts, definitions, and general application principles that show up across the rest of the exam.
- Treat this as your highest-return study area given its size
Domain 2: Plan Reading
Tests your ability to interpret electrical drawings, symbols, and specifications the way you would on an actual job site.
- Practice reading load schedules and panel schematics, not just text-based code
Domain 3: Equipment for General Use
Covers switches, receptacles, fixtures, and general-use equipment requirements.
Domain 4: Wiring & Protection
Overcurrent protection, grounding, bonding, and conductor sizing fundamentals.
Domain 5: Wiring Methods & Materials
Cable and raceway types, installation rules, and material-specific code requirements.
Domain 6: Motors & Controls
Motor circuit design, controllers, and protection requirements - a common weak spot for candidates whose field experience skews residential.
Domain 7: Special Conditions
Emergency systems, standby power, and related code provisions.
Domain 8: Special Equipment
Signs, X-ray equipment, EV charging, and other equipment-specific articles.
Domain 9: Special Occupancies
Hazardous locations, health care facilities, and other occupancy-specific rules.
Domain 10: Communication Systems
Low-voltage and communication circuit requirements, typically the smallest slice of the exam.
For the full breakdown of official question weighting and how to sequence your review by domain, see DE-ME Exam Domains 2026: Complete Guide to All 10 Content Areas. A condensed, one-page version of the highest-yield facts across all ten domains is available in the DE-ME Cheat Sheet 2026: One-Page Review of Must-Know Facts.
Getting to the "ME" Part: Eligibility Routes
Because DE-ME refers to the Master Electrician license specifically, the Board requires more supervised experience than lower-tier licenses demand. There are three recognized paths, and your DELPROS application must include supervisor and education verification that matches whichever route you choose:
- Six years full-time experience working under a licensed Master Electrician.
- Approved apprenticeship route: 8,000 supervised work hours plus 576 instructional hours, or other Board-approved training.
- Four years under a Master plus two years of technical training as a combined path.
One detail candidates frequently miss: any Delaware experience earned after June 30, 2012 only counts toward eligibility if it was performed under appropriate apprentice or journeyperson licensure. Unlicensed work during that period generally won't satisfy the Board's verification requirements, so double-check your documented history before submitting your application.
For a full walkthrough of documentation requirements and how examiners verify supervised hours, see DE-ME Requirements 2026: Eligibility, Prerequisites & How to Qualify.
Fees Tied to the DE-ME Designation
The financial side of DE-ME is straightforward but easy to underestimate if you only budget for the test itself:
| Cost Item | Amount |
|---|---|
| Prov examination fee | $100 |
| Board application fee | $203 |
| Total before books/insurance | $303 |
That $303 doesn't include the reference books you'll need for the open-book portion, general liability insurance required before licensure, or any retake fees if you need a second attempt. For a complete cost picture including these ancillary expenses, see DE-ME Certification Cost 2026: Complete Pricing Breakdown.
Licenses issued under the DE-ME pathway expire on June 30 of even-numbered years. A full renewal cycle requires 10 approved continuing education hours, and starting with your second renewal, at least 5 of those hours must specifically address the NEC. First-time renewal proration applies if your initial license period is shorter than a full cycle, and you must maintain your liability insurance continuously - letting it lapse can jeopardize your license standing.
Don't Confuse DE-ME With Other Delaware Licenses
Because Delaware's electrical licensing structure includes multiple tiers, it's worth being explicit about scope. The Master Electrician license (what DE-ME tests) generally authorizes broader responsibility than the Limited Electrician license, and it is a separate credential from the Master Electrician Special designation. If your career goal involves supervising work, pulling permits, or running your own electrical business in Delaware, the Master license - and therefore the DE-ME exam - is typically the relevant target. If you're unsure which license actually matches your job duties, it's worth confirming with the Board before you commit study time to the wrong exam.
For readers who arrived here mainly wondering about terminology rather than exam mechanics, related explainers include What Does DE-ME Mean? and What Is DE-ME Certification?, both of which approach the same core facts from different search angles.
How to Prepare Once You Know What DE-ME Means
Once the acronym and license scope are clear, preparation becomes a matter of allocating study time proportionally to each domain's weight - General Electrical Knowledge first, since it's the largest domain, followed by Plan Reading and Wiring & Protection, which show up constantly in scenario-based questions. Because the exam is open book, your prep should emphasize navigation speed inside your approved references as much as raw recall - knowing where to find a table under time pressure is often more valuable than memorizing it outright.
General Electrical Knowledge & Wiring/Protection
- Build tabbed navigation in your 2020 NEC (or currently assigned edition) for grounding, bonding, and overcurrent sections
- Drill practice questions under timed conditions to simulate the 3-hour window
Plan Reading, Equipment & Wiring Methods
- Practice interpreting sample drawings and panel schedules
- Review raceway and cable installation requirements by article
Motors, Special Conditions, Occupancies, Equipment & Communications
- Focus extra time on Motors & Controls if your field experience is light there
- Take a full-length timed practice exam and review every missed question by domain
A more detailed week-by-week plan, including how to interleave open-book navigation drills with pure recall practice, is laid out in the DE-ME Study Guide 2026: How to Pass on Your First Attempt. Running full-length timed simulations on our practice test platform before test day is one of the most reliable ways to confirm you can actually navigate your references within the 3-hour limit - not just that you know the material.
Why the Acronym Matters Beyond the Test
Understanding exactly what DE-ME stands for isn't just trivia - it affects how employers and licensing verification systems reference you. Contractors hiring for supervisory or business-owner roles in Delaware will specifically look for the Master Electrician designation, not a Limited or Special license, when reviewing DELPROS records. If you're weighing whether this investment of time and money makes sense for your career trajectory, Is the DE-ME Certification Worth It? Complete ROI Analysis 2026 and DE-ME Salary Guide 2026: Complete Earnings Analysis cover that decision in more depth, while DE-ME Jobs looks at where the Master designation opens doors that lower-tier licenses don't.
If you want a broader look at pass outcomes before committing to a test date, DE-ME Pass Rate 2026: What the Data Shows and DE-ME Exam Dates 2026: Testing Windows, Deadlines & Scheduling are useful next reads, and you can start building familiarity with the question style right away using our practice exam.
FAQ
DE-ME stands for the Delaware Master Electrician License Exam, administered by Prov on behalf of the Delaware Board of Electrical Examiners.
No. DE-ME refers specifically to the Master Electrician license, which is distinct from Delaware's Limited Electrician and Master Electrician Special licenses.
The exam is open book for approved references like the 2020 NEC, American Electricians' Handbook, and Ugly's Electrical References, with permanent tabs and highlighting allowed. Handwritten notes and loose inserts are prohibited.
The Prov exam fee is $100 and the Board application fee is $203, for a total of $303 before books, insurance, and other expenses.
Yes. Your application must be approved through DELPROS before you can schedule your exam with Prov, so submit it well ahead of your target test date.