Find the right rule
Learn how to use NEC definitions, articles, and tables to answer a question.
Electrician license exam prepPrepare to pass
Prepare to pass
your license exam.
Practice NEC questions, understand the explanations, and work through electrical calculations. Build the skills you need for your electrician licensing exam, one short session at a time.
12Exam domains
50States with licensing paths
2,952Practice questions
Your study plan
Build the skills your exam tests.
01 / Your exam
Study for your state’s exam.
Choose your state to practice NEC concepts, safety, and calculations, plus its licensing-board questions where available. Check your exam bulletin for the required NEC edition.
Find your state →State02 / Practice & reviewUnderstand every answer.
Practice in short question sets and review the explanations. Track your progress as you work through the essentials or the full library, even offline.
Explore the exam topics →2,95203 / Code referenceFind NEC rules faster.
Use the Field Guide to review code concepts, key terms, and calculation steps. Earn an Essentials or Complete certificate of achievement as you finish the question sets.
Open the Field Guide →GuideStudy by state
Find your state’s study plan.
Select your state to see what you can study in the app. Practice NEC concepts, safety, and calculations, with state licensing questions where available.
Choose your state to see its study plan. In the app, select the same state to include its licensing questions where available.
Licensing rules, exam formats, and NEC adoption vary by state and change over time. Confirm current requirements with your state electrical licensing board and the exam provider before you apply.
How you prepare
Know the rule. Explain your answer.
Use each session to practice NEC lookups, work through calculations, and understand why an answer is correct.
Work the calculation
Practice load, conductor, and motor calculations with explanations you can review.
Explain the answer
Review why each answer is correct so you can apply the concept to the next question.
Exam topics
Practice the topics your exam covers.
Review theory, safety, services, branch circuits, grounding, wiring methods, overcurrent protection, equipment, motors, special occupancies, and calculations. Choose your state to include its licensing questions where available.
01Understand theory and read plans
Theory
02Recognize electrical hazards
Safety
03Understand services and feeders
Services
04Choose circuits and conductors
Circuits
05Get grounding and bonding right
Art. 250
06Choose wiring methods and materials
Wiring
07Match protection to the circuit
Art. 240
08Apply equipment and lighting rules
Equipment
09Solve motor and transformer questions
Motors
10Find rules for special installations
Special rules
11Work through electrical calculations
Calcs
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