Open book is won on speed
You bring a tabbed 2020 NEC. The candidates who pass know where the answer lives before they open the book. Slow lookups bleed time, and time is what fails most people.
The PSI exam is open book on the 2020 NEC and needs 70% to pass. Journeyperson is 70 questions, master is 90. About one in four passes. Find out where you stand before you book it.
The Maryland electrician exam is a PSI test: journeyperson is 70 questions in 3 hours 30 minutes, master is 90 in 4 hours. Both are open book on the 2020 NEC and need 70 percent to pass. About one in four passes across both tiers.
The Maryland Board's own meeting minutes report roughly a 27 to 28 percent pass rate across both tiers (182 of 684 passed January to September 2025; 2,549 of 8,948 since the exam's inception). Open book does not mean easy. The test rewards finding the rule fast under the clock, not memorizing it, and that is exactly the skill most guys never practice.
You bring a tabbed 2020 NEC. The candidates who pass know where the answer lives before they open the book. Slow lookups bleed time, and time is what fails most people.
Maryland law and rule, Business Occupations and Professions Article Title 6 and COMAR 09.09.01, is woven into the single exam, not a separate section. State code overrides the NEC where they conflict, and you have to know where.
The master exam adds 20 more questions and leans hard on calculations: 30 of the 90 are calculation problems. Set them up wrong and the open book will not save you.
Fifteen questions across the NEC article families the Maryland exam tests. No signup, no card. At the end you get a readiness report and the exact article families costing you the most points, so you study the right thing instead of everything.
Journeyperson 4 years or apprenticeship, master 7 years, fees, and retake rules.
Original Maryland practice questions in the real exam format, with worked answers.
Timed practice matched to journeyperson or master pacing.
Find your weak articles before paying for prep.
How to judge Maryland prep before you buy.
The 30-day retake rule and a recovery plan.
The 2020 NEC, calculator, tab, and note rules for PSI test day.
Tier-aware calculation prep for journeyperson and master candidates.
Pick the credential that fits your hours and what you need to unlock first.
The 90-question, calculation-heavy master path.
Journeyperson 70 questions, master 90, open book on the 2020 NEC, 70% to pass.
The $65 PSI fee per tier, the license fee, and what a retake runs.
70% to pass, and why only about one in four clears it.
Open book, but about 27% pass. Where the difficulty really sits.
Fifteen minutes tells you your readiness report and your weakest article families. Then you know exactly what to drill before you pay the $65 exam fee and book it.
Free. No card. 15 minutes to your weak-area report.
Take a real one. Pick your answer, then watch a master walk the exact codebook flip path and the math, step by step. No signup to try it.
A 120-volt single-phase circuit carries 16 amps to a load 100 feet away on 12 AWG copper (6,530 circular mils). Using VD = (2 x K x I x L) / CM with K = 12.9, what is the approximate voltage drop?
You sit the PSI exam open book on the 2020 NEC with a silent, non-programmable calculator. Permanent tabs and highlighting are fine, no study guides and no handwritten notes. Which exam you sit depends on your tier.
Open book on the 2020 NEC, 70 percent to pass.
Same rules, and calculation-heavy: 30 of the 90 are calculation problems.
Open book, but only about one in four passes. The test rewards finding the rule fast under the clock. Maryland law is woven into the single exam, not a separate section, and state code overrides the NEC where they conflict.
For journeyperson, codebook navigation speed decides it. For master, the calculation block is where the exam is won or lost.
Verified June 2026 against Maryland State Board of Electricians (MD Board of Electricians) and the current exam bulletin
Overwhelmed by where to begin for the Maryland exam? Tell us your situation and we will lay out the exact next steps. Free, no signup. Check them off as you go.
Four to eight weeks is the sweet spot. Here is the order that puts your hours where they count.
This list is the path. The diagnostic makes it personal: 15 questions, 90 seconds to start, and we rebuild this around the exact Maryland sections you are losing points on.
Take the free diagnosticMaryland weak spots named. Next drills ready. The work stays focused.
Original NEC questions for both Maryland exams, each with a step-by-step codebook walkthrough so you do not go blank on an open-book lookup.
Plain-English coverage of grounding and bonding, wiring methods, equipment and devices, motor controls, wiring and protection, and a Maryland exam strategy guide.
Voltage drop, box fill, conduit fill, and dwelling load demand. The same NEC math the exam tests.
One task a day. Builds streaks. Tracks completion. Pin rewards at 7, 14, 21, and exam day.
Weighted math tells you exactly how ready you are. Updates after every session.
Questions you missed come back at the right interval. SM-2 lite, calibrated for retention before test day.
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The journeyperson exam is 70 questions in 3 hours 30 minutes. The master exam is 90 questions in 4 hours. Both are open book on the 2020 NEC and need 70% to pass.
70%. For the 70-question journeyperson exam that is 49 correct. You can retake after a 30-day wait.
The 2020 NEC, per the PSI candidate bulletin. Study the 2020 edition for the test.
Yes, open book on the 2020 NEC, plus a silent non-programmable calculator. Permanent highlighting and printed tabs are allowed. No study guides, no handwritten notes, and you cannot write in the book.
Your state license is the license, but counties and Baltimore City can still require a separate local registration, permits, and inspections before you work there. Check the jurisdiction you work in.