ND-ELEC-B Certification

What the ND-ELEC-B Certification Actually Is

The ND-ELEC-B - the North Dakota Class B Electrician Exam - is a state-administered licensing exam that qualifies electricians to contract farmstead wiring and one- and two-family residential wiring in smaller North Dakota communities. It is not a national credential, a manufacturer certification, or a generic trade-skills badge. It is a specific licensing pathway created and enforced by the North Dakota State Electrical Board (NDSEB), and every requirement discussed on this site refers to that exam and that board.

If you're just getting oriented, our overview of what ND-ELEC-B is and the plain-language breakdown of what the acronym means are good starting points before diving into the mechanics below.

Who Administers It and Why That Matters

The North Dakota State Electrical Board handles everything: applications, invitations to sit for the exam, scoring, licensing, and renewal. That single-agency structure means the rules governing eligibility, testing, and continuing education all trace back to NDSEB publications - not to a third-party testing vendor. When you research requirements, stick to NDSEB's own material rather than generic electrician-exam advice aimed at other states or other credentials that happen to share a similar name.

For a deeper dive into how the exam is structured content-wise, see our complete guide to all three content areas.

Eligibility: Hours, Experience, and Documentation

Before you can even schedule the ND-ELEC-B, you need to clear an eligibility bar built around supervised hands-on experience:

• 3,000 hours of qualifying wiring experience, accumulated over at least 18 months.
• That experience must be farmstead wiring or one- and two-family residential wiring - commercial wiring hours do not count.
• The work must be performed under the supervision of a licensed master or Class B electrician.
• An approved two-year electrical school program can substitute for up to 1,000 hours of the required experience.
• If the majority of your practical experience was obtained in North Dakota, you must additionally satisfy an approved electrical-school, related-training, or apprenticeship-program requirement, and your employer must verify your hours.

Getting this part wrong is the most common reason applications stall. Our detailed walkthrough of eligibility, prerequisites, and how to qualify breaks down exactly how to document hours and what employer verification needs to look like.

Exam Format, Timing, and Scoring

Once NDSEB approves your application, you'll receive an invitation to test. Approval must happen before you schedule, and you must sit for the exam within six months of that invitation - so don't apply long before you're actually ready to test.

The exam itself runs 4 hours 30 minutes total, split into two distinct sessions:

• 1 hour closed-book - no code book, no notes, no calculator reference material beyond what's issued.
• 3 hours 30 minutes open-book - code book and reference materials permitted.

NDSEB supplies codebooks, calculators, and pencils on test day - you don't bring your own. Follow the board's examination invitation closely for specifics on what's provided and how the room is run, since instructions can vary slightly by test date.

Passing score: 70%. There's no partial credit structure published beyond that single cutoff, so treat 70% as the hard line to plan around. For a full breakdown of how that score is calculated and what it means for missed questions, read exactly what you need to pass.

The Three Exam Domains

NDSEB structures the exam around three subject areas. Understanding what falls into each one is the difference between generic studying and targeted preparation.

For a domain-by-domain study strategy, our full domains guide goes deeper than the summary above, and the one-page cheat sheet is useful for last-minute review of must-know facts across all three areas.

Fees, Application, and Renewal Mechanics

ND-ELEC-B fees are straightforward and consistent across the licensing lifecycle:

Licenses expire annually on April 30, regardless of when during the year you were issued the license. Renewal requires 8 continuing-education hours each cycle, with at least 4 of those hours in code-related content. Plan your CE calendar around this split rather than scrambling near the deadline.

For the complete cost picture - including how fees stack up against the time investment required for eligibility - see our full pricing breakdown.

What Class B Actually Lets You Wire

It's worth repeating because it trips up a lot of applicants: Class B licensure covers farmstead wiring and one- and two-family residential wiring, and only within a city population of 2,500 or fewer. It is a contracting license, meaning it authorizes you to contract that work, not just perform it as an employee.

Commercial wiring is excluded both from the license's scope and from the experience hours that qualify you to sit the exam in the first place. If your background is mixed commercial/residential, you'll need to separate out only the residential and farmstead hours when documenting your 3,000-hour requirement.

What Happens If You Fail

NDSEB sets waiting periods based on how close you came to passing, rather than a flat retake rule:

• Scores 60-69: no waiting period - you can reapply immediately.
• Scores 50-59: a three-month waiting period before retesting.
• Scores 0-49: a six-month waiting period before retesting.

In every case, you'll need to submit a new application and pay the $40 fee again - there's no free retake. That tiered structure is a strong argument for treating your first attempt seriously rather than viewing it as a low-stakes trial run. Our guide on exam difficulty and the data-driven look at the pass rate can help set realistic expectations before you schedule.

A Realistic Prep Timeline

Generic study techniques only matter here to the extent they map onto ND-ELEC-B's three domains and its closed-book/open-book split. A simple domain-sequenced timeline works better than an undifferentiated review schedule:

For a more detailed week-by-week plan, read the full study guide for passing on your first attempt. And when you're ready to test your recall under realistic timing, the practice exams on our main practice test platform mirror the closed-book/open-book structure so you're not surprised on exam day.

Who Hires Class B Electricians

Because Class B is scoped to farmstead and small-town residential wiring, the electricians who pursue it typically work independently or for small residential contracting operations serving rural North Dakota communities - places where the population cap of 2,500 applies. It's a common stepping-stone license for electricians building a residential-focused career before eventually pursuing broader authority. For a look at where this license tends to lead career-wise, see ND-ELEC-B jobs, the earnings analysis, and the broader ROI breakdown covering whether the license is worth pursuing given your goals.

If you're still building the experience hours needed to apply, our overview of training pathways covers how approved school programs can offset part of the 3,000-hour requirement.

Frequently Asked Questions