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 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 projected score 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.
The buying-intent page for Maryland practice-test searchers.
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 90-question, calculation-heavy master path.
Fifteen minutes tells you your projected score 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.
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.