California general electrician exam practice on the 2023 NEC
Code, calculation and safety questions for the DIR certification exam, sorted by topic and explained step by step. Practice at your own pace, then take a timed 100 question mock exam.
- All 790 questions and answers
- Free practice test
- Money-back guarantee
Take the practice test
10 practice questions from the question catalog. How many can you get right?
How the California electrician exam works
In California every electrician who works for a licensed C-10 contractor must be certified by the Electrical Certification Unit of the Department of Industrial Relations (DIR). For the general electrician certificate you need 8,000 hours of work experience.
The general electrician exam has 100 multiple choice questions in four and a half hours. You need 70 percent to pass. The 2023 NEC, NFPA 70E and the Cal/OSHA electrical safety orders are provided at the test center.
The questions here are our own, written from the 2023 NEC, the candidate bulletin and the safety rules. Each one comes with an explanation and the reference.
The topics of the test
The 790 questions in the catalog are spread across these areas. In the trainer you practice all of them until every area sticks.
- Definitions, Theory and Plans115 questions
- Services and Service Equipment51 questions
- Feeders and Overcurrent Protection47 questions
- Branch Circuits, GFCI and AFCI72 questions
- Grounding and Bonding59 questions
- Wiring Methods, Conductors and Boxes52 questions
- Equipment, Devices and Luminaires48 questions
- Motors, HVAC, Generators and Transformers60 questions
- Special Occupancies28 questions
- Special Equipment, Pools, PV and EV44 questions
- Emergency, Limited Energy and Communications21 questions
- Load Calculations31 questions
- Electrical Calculations120 questions
- Electrical Safety42 questions
How many questions can you get right?
10 practice questions, free and without signing up. At the end you see whether it would already be enough for the test.
How you learn with us
No rote memorizing from start to finish. The trainer remembers what you know and practices exactly the rest with you.
Take the practice test
10 practice questions, free. Afterwards you know where you stand.
All questions with solutions
The complete catalog with 790 questions, each with the correct answer.
Tests that adapt to you
Every round puts the questions together anew. Whatever you got wrong comes back until it sticks.
Pass or get your money back
If you fail despite practicing, you get your last payment back.
All questions and answers in the online trainer
Everything you need for the knowledge test in one place. No book, no class, on your phone or computer.
- 790 questionsAll with solutions
- 100 in 270 minutesLike in the real test
- 14 topic areasPractice targeted, one by one
- 100 %Money-back guarantee
The complete question catalog
All 790 questions that could come up, each with the correct answer. You learn exactly what gets asked.
For every question you see how often others get it wrong and which answer they mix it up with. That way you spot the traps.
Test simulation like the real thing
100 questions, 270 minutes, graded like the real test: at least 70 correct answers out of 100 (70 percent).
Every round is shuffled anew. Afterwards you see right away whether you would have passed and what is still missing.
Practice that adapts to you
The trainer remembers what you already know. Wrong answers come back until they stick, and a question only counts as learned once you have answered it correctly several times with time in between.
You can also practice individual topics or just your weak spots.
Your plan until the test
Enter your test date and the trainer spreads the questions across the remaining days. That way a small round waits for you every day instead of cramming everything the last evening.
Your progress shows you at any time when you are ready for the test.
Short videos to swipe
Learn like on Instagram or TikTok: Every question comes as a short video, you tap your answer and swipe to the next one. Whatever you got wrong shows up more often.
Ideal for in between, on the train or on a break.
Pricing
Both options include all questions and answers and all trainer features. You only decide whether you pay weekly or once.
Weekly pass
$7.99per week
- All 790 questions and answers
- All trainer features
- Cancel anytime
Permanent access
$39.99one-time
- All 790 questions and answers
- All trainer features
- Pay once, no subscription
Our money-back guarantee applies to both options.
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guarantee
Our money-back guarantee
We are confident that you will pass with the trainer. If not, we refund the last payment of your subscription, or the full price for a one-time purchase.
It is that simple: Within 30 days after the test, send us a short email at [email protected] with proof, for example a photo of your test result. No follow-up questions, no form. The exact conditions are in the terms and conditions.
Frequently asked questions
How many questions are on the California general electrician exam?
100 multiple choice questions in four and a half hours. You need at least 70 percent to pass.
Which code book is used?
The exam is based on the 2023 National Electrical Code. The test center provides the code book together with NFPA 70E and the Cal/OSHA electrical safety orders.
Are these the real exam questions?
No. The DIR does not publish the exam questions. All questions here are our own, written from the 2023 NEC and the official exam outline so that you practice every topic.
Is this the official DIR website?
No. This site is an independent trainer. It is not run by or affiliated with the California Department of Industrial Relations, Pearson VUE or NFPA.