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How to study for the California electrician exam

Six weeks, weighted the way the exam is — and starting somewhere most study plans do not: navigation before knowledge.

The reasoning is in the first week's focus line, and it is the whole thesis: you cannot look something up quickly in a book whose shape you do not know. On an open-book exam at 2:42 a question, an hour spent learning the chapter map pays back more than an hour spent reading any single article.

Week 1

Navigation before knowledge

You cannot look something up quickly in a book whose shape you do not know.

  • Learn where each of the nine chapters starts and stops

    Nine boundaries, not three hundred articles — where Chapter 2 ends and Chapter 3 begins, and so on out to Chapter 9's tables. The nec-navigation deck drills exactly these nine; write them out cold until they come without thinking. The highest-leverage session in the plan.

  • Read Article 90 end to end

    Especially 90.3, the code arrangement rule — it is what makes Chapter 8 stand alone, and it is why a Chapter 1 through 7 rule you are sure of can still be the wrong answer.

  • Read Article 100's definitions and Article 110's requirements

    When a question uses a defined term oddly, the answer is in Article 100. Two of the most-asked rules in the book sit next door: 110.14(C), termination temperature, and 110.26, working space.

  • Practice finding articles by number, against a timer

    Twenty random article numbers, each inside fifteen seconds. Typing a number beats searching a keyword every time.

Week 2 · Conductors and ampacity

4 sessions

The math half of the exam rests almost entirely on this week.

Week 3 · Wiring methods, boxes and fill

4 sessions

Chapter 3 is a third of the installation questions and it rewards pattern recognition.

Week 4 · Grounding and bonding

4 sessions

Article 250 is the single biggest fail area. It is long, but it is not disorganized.

Week 5 · Motors, transformers, services and loads

4 sessions

Four topics that each generate their own family of questions.

Week 6 · Special topics and a dress rehearsal

4 sessions

Fill the gaps, then sit the whole thing once before you sit it for real.

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Tick it off as you go

Inside the app this same plan is a checklist tied to your account, sitting next to the 688 cards and the 400-question practice bank that each week points at. Reading a plan is easy; the hard part is the six weeks.

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Written by Chris Furman · last reviewed 6 September 2026

I built Electrician Cards after watching a friend prepare for this exam and discovering how much of the published advice is written for a closed-book test. I am not an electrician — everything here is researched from the candidate bulletin, the 2023 NEC's own structure, and the official content outline, and it is checked against them again whenever it changes. Always verify against the code book itself.