Pass The C-10 Electrical Contractor Exam

Passing The C-10 Trade Exam is Easy as 1,2,3!

  1. Commit to passing your California C-10 Electrical Contractor exam. Prepare to pass the exam at HOME, on your schedule; “Read, Listen, Watch, Learn, &  PASS!“
  2. Apply to the CSLB. We will also help you with your C-10 application! Call us for assistance.
  3. Study. Our clients typically pass the exam on their 1st attempt! “Follow the plan and pass your exam!“

All qualifying individuals must also pass their California Contractor Law & Business Exam (sold separately)



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Pass the C-10 Electrical exam on your 1st attempt. Unleash the most effective and affordable C-10 contractors’ license course available in California. TLC clients pass their C-10 Contractor Trade Exam.

Pass your C-10 Electrical Contractor exam; it’s simple as 123!

ONE – Commit to becoming a C-10 Electrical Contractor with help from TLC. Study at HOME, on your schedule.

  • Read our best in the industry C-10 Electrical exam preparation manual.
  • Learn the art of dominating a four-answer multiple-choice exam.
  • Watch industry experts review via Audio & Video General Exam Knowledge, Construction Math, and Title 8 Health & Safety Rules.
  • Access hundreds of researched exam questions and answers.
  • Take non-graded Practice Quizzes.
  • Memorize key exam concepts with virtual flashcards.
  • Verify your knowledge with simulated Full-length, Timed Exams
  • PASS your C-10 Electrical Contractor exam the first time you test.

The most effective C-10 contractor exam course available in California at ANY price!

Study Online! Our multimedia Electrical contractor course is your best & most affordable method to pass your C-10 Contractor License Exam!

TWO –  Submit your Application to the CSLB. We will help you with the paperwork.! New online tools help you correctly fill out your original C-10 Electrical contractor exam application. Call us for assistance, and schedule a free line-by-line review of your application before submission to the CSLB!

With our help, submitting a proper C-10 License application to the CSLB has never been easier!

THREE – Prepare for and pass your exam. Our students dramatically improve their test scores and pass their C-10 Electrical contractor exam.

When ready to test, schedule your exam through PSI. Please read the PSI Candidate Information Bulletin for more information. PSI – C-10 Electrical

IT’s A FACT! when you read something – eTEXTBOOKS, watch something – VIDEO FILES, hear something – AUDIO FILES, and then put that information to use – ONLINE PRACTICE QUESTIONS  & ONLINE EXAMS, your ability to retain our study materials increases exponentially!


Study at home! Don’t waste time commuting to a classroom. Study conveniently in your home or office. Our courses are a proven, reliable, and affordable way to pass the C-10 Electrical Contractor Exam.


Choose your course format from either

eCourse – 100% Online! Trade eManual, (not printable) Streaming Audio/Video, & Online Practice Tests

Or Printed Manual + Online Audio/Video & Online Practice Tests

Or Printed Manual + CDs, DVD’s & Online Testing

Our C-10 Electrical Contractor License Trade Exam Course includes the following course materials to maximize your study efforts.

  • Trade Specific Textbooks
  • Audio Lectures
  • Video Lectures
  • Online Practice Questions
  • Simulated Online Exams


The C-10 Electrical Contractor exam manual covers the essential topics of the California C-10 Electrical contractor license exam. Topics include Basic Electrical Theory, Electrical Materials, Electrical Tools, Equipment and Meters, and Plan and Circuit Symbols. The C-10 Manual also includes summaries from the California Electrical Code, Title 8 Health and Safety Orders, and Electrical Review Questions.

The C-10 Electrical Contractor Study Guide contains the following sections;

  • MATH REVIEW: covers math and estimating formulas, units of measurement, elementary geometry, and the architect’s scale.
  • GENERAL KNOWLEDGE: This contains basic trade information all students must know to pass the C-10 Trade exam.
  • HEALTH AND SAFETY: Our comprehensive health and safety section familiarizes students with Cal/OSHA and other regulations and practices.
  • REVIEW QUESTIONS: Lists the most difficult questions, indexed to the relevant section of the manual.


Streaming online Audio/Video files or CDs & DVDs. Expert instructors with decades of experience cover fundamental C-10 Electrical exam concepts in greater detail. Our audio/video lectures cover Math Formulas and Title 8 Health & Safety lectures.


  • FLASHCARDS: Online flashcard program tracks your history and also allows you to exclude questions you have already learned.
  • PRACTICE EXAMS: Five final practice exams, each timed to simulate actual exam conditions. The course also includes two Cal/OSHA Health & Safety tests. (exams are approximately 120 questions each.) Our C-10 and Title 8 Health and Safety update list any new questions to reflect changing trends in exam focus.


Get help filling out your contractor exam application or request a free review of your completed form before submission. All students in our C-10 Electrical course can call us at (866) 685 8564 for assistance.

ONE YEAR UNLIMITED ACCESS: To All Online eBooks, Audio/Video, Test Questions & Simulated Final Exams.

We provide complete access to all online course materials for an entire year. Other schools may offer only 90-day access to online tools in the hopes of charging you extra $ for extended access to study materials.

C-10 Electrical Contractor exam course with C-10 Trade CD's DVDs & online practice tests
Pass the C-10 Trade Exam – Best Contractor Course at any price! Only $199


A detailed breakdown of the makeup of the C-10 Electrical Contractor trade exam. A list of all the reference materials used to create the C10 exam & the scope of the C-10 Electrical contractor classification.

The C10 Electrical exam contains five major sections:

Section 1. Planning and Estimation – (24% of C10 Exam)

  • Existing system evaluation
  • Plan and specification interpretation
  • Electrical calculations
  • Code requirements
  • Material selection
  • Energy production and storage project planning (photovoltaic, wind, generators, batteries, capacitors)

Section 2. Rough Wiring – (26% of C10 Exam)

  • System layout
  • Clearance and accessibility requirements
  • Raceway and panel installation
  • Wire and equipment installation
  • Grounding and bonding
  • Energy production and storage rough wiring (photovoltaic, wind, generators, batteries, capacitors)

Section 3. Finish Wiring and Trim – (9% of C10 Exam)

  • Finish device placement and installation
  • Motor and equipment installation
  • Wire and equipment labeling
  • Trims and sealants
  • Energy production and storage finish Wiring (photovoltaic, wind, generators, batteries, capacitors)

Section 4. Startup Troubleshooting and Maintenance – (21% of C10 Exam)

  • System energizing and testing
  • Common electrical problems
  • Location, repair, and replacement of inoperable electrical wires/components
  • Selection and use of electrical testing equipment
  • Energy production and storage system performance (photovoltaic, wind, generators, batteries, capacitors)

Section 5. Safety – (20% of C10 Exam)

  • Lockout/tag-out procedures
  • Personal protective equipment (PPE)
  • Tools/equipment
  • Hazardous materials and job site environments

*Percentages are approximate

The C-10 Electrical exam source material:

The CSLB utilizes the following publications to create the electrical contractor exam. California codebooks can be viewed online:

2019 California Building Code. Title 24. International Code Council.
Phone: (800) 786-4452.
Free Access:

2019 California Electrical Code. California Code of Regulations, Title 24.
BNI Publications, Inc.
Phone: (888) 264-2665
Free Access:

2019 California Energy Code. California Code of Regulations, Title 24. International Code Council
Phone: (800) 786-4452
Free Access:

2019 California Fire Code. California Code of Regulations, Title 24. International Code Council.
Phone: (800) 786-4452
Free Access:

American Electrician’s Handbook. The McGraw-Hill Companies.
Phone: (877) 833-5524

State of California General Industry & Electrical Safety Orders (Cal/OSHA) and State of California Construction & Electrical Safety Orders (Cal/OSHA). 2019. California Code of Regulations, Title 8. Mancomm.
Phone: (877) 626-2666
Free Access:
Free Access:
Free Access:

*Publisher information is current as of 10/19

Official CSLB Description of License Classification for the C-10 Electrical Contractor.

A C-10 electrical contractor places, installs, erects, or connects any electrical wires, fixtures, appliances, apparatus, raceways, conduits, solar photovoltaic cells, or any part thereof, which generate, transmit, transform or utilize electrical energy in any form or for any purpose.

Authority cited: Sections 7008 and 7059, Reference: Sections 7058 and 7059 (Business and Professions Code)



We offer our study materials as two separate courses; Course-1: C-10 TRADE EXAM. Course-2: California LAW & BUSINESS EXAM. (Each Sold Separately)


Law & Business Exam

Pass the CA LAW & BUSINESS EXAM covering California contractor law, and pass the TRADE EXAM covering the trade you wish to practice.

Pass both exams to qualify for your 1st contractor’s license. “Read, Listen, Watch, Learn, & PASS!”

More About the Law & Business Exam



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Take a free C-10 Electrical contractor practice test. These free C-10 trade exam questions are similar to the ones you will encounter when taking the actual C-10 contractors exam.

You are off to a strong start if you readily answer seven or more questions correctly without guessing.
However, if you miss three or more questions, you risk failing the TRADE portion of the C-10 Exam.

Which of the following regulations applies to service-entrance conductors that are supplying service to a building or structure?
In residential buildings, small appliance loads should have two or more __________.
The amount that a given conductor resists the flow of electric current is measured in __________.
Add description here!
A contractor needs 13 receptacles that cost $3.56 each plus sales tax of 7.25%. The supplier states that for every 10 receptacles that are purchased, the contractor will get one free of charge. What is the total cost of the receptacles?
A run of electrical conduit may not have more than __________ quarter bends between fittings and outlets?
What is the LARGEST number of two-pole circuit breakers that can be used on a lighting and appliance branch circuit panel board in a single cabinet?
Which of the following is not a type of service disconnect?
In Class 1, Division 2 locations, such as gas stations or refineries, what type of conduit should be used above ground?
If you have four to six 12 AWG wires in a conduit, what would be the allowable current-carrying capacity in percentage to the normal?
Which of the following will not affect the resistance of a circuit?
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We want to talk to you if you found these practice questions helpful!

Think about how useful it would be to access hundreds of researched C-10 exam questions and answers, learn the theory and meaning behind each question, memorize key concepts with virtual flashcards, take non-graded practice quizzes, and verify your knowledge with full-length, timed practice exams.

Call us at 866-685-8562 for a free licensing consultation.