CA Electrical PrepC-10 · by MITRYXA
Español
⚡ California CSLB C-10 Electrical

Pass the C-10 electrical exam. On your first try.

1,228 practice questions written to the 2025 California Electrical Code, active-recall lessons, spaced-repetition review, and full-length timed exams — covering both exams the CSLB requires, in one place.

  • 1,228 exam-style questions
  • Both exams: Trade + Law & Business
  • Built on the 2025 CEC
Get started freeTry a free lesson

Start free · study before you pay · one-time $125, no subscription.

Free to start
1,228
practice questions
59
Expert lessons
10
Blueprint modules
2
Timed exams
2025
CA Electrical Code

Every question cited to the code, with a full explanation.

Part of Mitryxa Academy

Brought to you by MITRYXA

CA Electrical Prep is one of Mitryxa Academy's AI‑powered exam‑prep programs for California contractor licenses — same team, same method. Pass your exam, then unlock graduate discounts to launch your business. (Your payment is processed by MITRYXA.COM.)

Explore Mitryxa Academy →
  • C‑10 ElectricalYou're here
  • C‑36 PlumbingLive
  • C‑20 HVACComing soon
1,228
Practice questions
59
Expert lessons
10
Blueprint modules
2
Timed mock exams

Everything you need to pass

A complete study system built specifically for the California C-10 exam.

Lessons on the 2025 Code

59 lessons covering every blueprint topic, written to the 2025 California Electrical Code — the exact edition your exam uses.

Active-recall quizzes

You learn by being asked, not by skimming — 1,228 questions with instant explanations and citations.

Spaced repetition

Missed questions resurface at the right moment — until they're locked in for exam day.

Timed practice exams

Full-length mocks of both the Trade and Law & Business exams, matching the real CSLB format.

Readiness tracking

See your progress and how ready you are — so you know exactly when to sit the real thing.

Study anywhere

Mobile-first, so you can drill questions on a break, in the truck, or on the couch.

How it works

Three steps to exam-ready.

Sign up free

Create your account in seconds — no credit card. Start studying immediately.

Study smart

Learn with active-recall lessons and quizzes, and let spaced repetition drill your weak spots.

Pass with confidence

Ace the full-length timed exams, then walk into the real test ready.

Two exams stand between you and your license

The C-10 requires passing both the Trade exam and the Law & Business exam — and this course covers every official section of each.

C-10 Trade 100 Q

Technical knowledge · 3½ hours

  • Planning & Estimating · 28%
  • Rough Wiring · 27%
  • Finish Wiring & Trim · 11%
  • Startup, Troubleshooting & Maintenance · 16%
  • Safety · 18%

Law & Business 115 Q

Legal & business knowledge · 3½ hours

  • Contracts & Change Orders
  • Bonds, Insurance & Licensing
  • Employment, Payroll & Safety
  • Estimating, Bidding & Project Management
  • Lien Law

Pay once. Study until you pass.

No subscriptions, no renewals — one payment unlocks everything.

Lifetime access
$125

One-time · no recurring charges

  • All 59 lessons across every C-10 module
  • 1,228 practice questions with full explanations
  • Full-length timed exams for both exams — Trade and Law & Business
  • Spaced-repetition review
  • Progress & readiness tracking
  • Lifetime access — no renewal, no expiry
Start free — buy when you're ready

Try it free first. No card required to start.

Common questions

Everything you need to know.

What is the California C-10 Electrical Contractor License?
The C-10 is the CSLB classification that lets you contract for electrical work in California. To get it you pass two exams — a Law & Business exam and the C-10 Trade exam — after meeting the experience requirements.
Is this built on the current code?
Yes. Every question and lesson is written to the 2025 California Electrical Code (based on the 2023 NEC) — the exact edition your exam is built on — with the specific code section behind each answer.
How many questions are included?
1,228 practice questions across all 10 official blueprint sections, each with a full explanation and the code section behind it, plus 59 lessons and full-length timed practice exams for both the Trade and Law & Business exams.
Can I study on my phone?
Yes — the whole platform is mobile-first, so you can study lessons, run quizzes, and take timed practice exams from any device.
How is the review system different?
Questions you miss are automatically resurfaced on a spaced-repetition schedule — sooner if you keep missing them, further out once they stick. Active recall plus spacing is how you actually memorize the material for exam day.

Start with these guides

Free, in-depth answers to the questions every C-10 candidate asks.

Licensing

How to Get Your C-10 Electrical Contractor License in California

The full step-by-step path to a CSLB C-10 electrical contractor license: journey-level experience, both exams, the application, bond, Live Scan, and issuance.

Exam

What's Actually on the C-10 Electrical Exam

A breakdown of the C-10 Trade exam blueprint and weights, the Law and Business exam, and where California candidates lose the most points.

Exam

C-10 Exam Format and Passing Score: What to Expect

The C-10 is two closed-book tests at a PSI center. Here's the format, time limits, passing score, and exactly how retakes work so exam day holds no surprises.

Study

How to Study for the C-10 Exam (Without Wasting Months)

A working electrician's study plan for the C-10 exam: active recall, spaced repetition, and timed practice tests you can fit around a full-time job.

Ready to drill questions? Try the C-10 practice test or browse the full exam blog.

Your C-10 license is closer than you think.

Start free today. Upgrade only when it's working for you.

Get started free
Help