California · rules
California General Electrician exam format
Know the shape of the test before you study for it. The format is fixed, the domain weighting is public, and the provided-reference rule is the part that changes how you should prepare.
Last reviewed June 2026
Questions
100
Time
4 hours 30 minutes
Score
70%
References
Provided at center
The four domains
- Installation: 66%. Two-thirds of the exam. This is where most of your study time belongs.
- Determination of electrical system requirements (calculations): 22%.
- Safety: 6%.
- Maintenance and Repair: 6%.
Why the provided-reference rule changes your prep
Because you cannot tab your own book, the exam rewards whoever finds rules fastest in references they did not set up. That is a different skill than knowing the rule. Train the lookup, not just the content.
If you failed it onceThe 60-day wait is the work window. Find your two weakest domains and attack those, not a re-read of what you already knew.Build a retake planIf you’re still checking the rulesWhat’s provided at the test center, the 8,000 hours, C-10 vs General Electrician. Get the current facts before you study the wrong thing.Check the requirementsIf codebook speed is the weak spotReferences are provided, so the exam rewards whoever finds the rule fastest. Train the lookup, not just the rule.Train codebook speed
Now find out where you actually stand.
You know the process. The diagnostic shows which DIR domains are costing you points before you pay for any prep. 15 questions, no signup.
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