C46 Solar Contractor Exam

Passing The C-46 Trade Exam is Easy as 1,2,3!

  1. Commit to passing your California C-46 Solar exam. Prepare at HOME on your schedule; “Read, Listen, Watch, Learn, &  PASS!“
  2. Apply to the CSLB. We will also help you with your C-46 application! Call us for assistance.
  3. Study. Our clients typically pass the exam on their 1st attempt! “Follow the plan and pass your exam!“


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C-46 SOLAR – (Trade Exam)

Pass the C-46 Solar exam on your 1st attempt. Unleash the most effective and affordable C-46 contractors’ license course available in California. Our clients pass their C-46 Solar Contractor trade exam.

Pass your Solar Contractor exam; It’s easy as 123! 

One: Commit to becoming a California C-46 Solar Contractor, prepare to pass at HOME on your schedule, Read, Listen, Watch, Learn, & PASS!

  • Read our best-in-the-industry C46 license study guide
  • Listen as industry professionals review answers you MUST know.
  • Watch instructors review key parts of the C46 Solar manual.
  • Learn the art of dominating a four-question multiple-choice exam.
  • PASS your C46 Solar Contractor exam.

The most effective contractors’ exam course available in California at ANY price!

Study Online! Our multimedia Solar Contractor course is your best, most affordable method to pass your C-46 Contractor License Exam!

Two: Apply to the CSLB. We will help! New online tools will help you properly fill out your original C-46 Solar Contractors exam application. Fill out the form, 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 properly filled solar contractor application to the CSLB has never been easier!

Three: Prepare for and pass your exam. Our students dramatically improve their test scores & pass their C-46 Solar contractors’ license exams.

When ready to test, schedule your exam through PSI. Please read the PSI Candidate Information Bulletin for more informationPSI – C-46 Solar

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-46 Solar Contractor Exam.


Choose your course format from either

eCourse – Online Manual (not printable)Streaming A/V (Audio/Video), & Online Testing

Or Printed Manual + Online A/V (Audio/Video) & Online Testing

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

Our C-46 Solar 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-46 Solar Contractor exam manual covers the essential topics of the California C-46 Solar Contractor license exam. Topics include Energy Conservation, Solar Space Heating and Cooling, Solar Domestic Hot Water Heating (DHW) Systems, Photovoltaic Power Systems, and Basic Electrical Theory. The C-46 Manual also includes summaries of the California Electrical Code, California Plumbing Code, California Mechanical Code, California Building Code, Title 8 Health and Safety Orders, and Solar Review Questions.

The C-46 Solar 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-46 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-46 Solar exam concepts in greater detail. Our audio/video lectures cover Math Formulas and Title 8 Health & Safety lectures.


  • FLASHCARDS: Online flashcards track your history and also allow you to exclude questions you have already learned.
  • PRACTICE EXAMS: Three 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-46 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-46 Solar 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-46 Solar Contractor exam course with C-27 Trade CD's DVDs & online practice tests


A detailed breakdown of the makeup of the C-46 Solar Contractor trade exam. A list of all the reference materials used to create the C-46 exam & the scope of the C-46 Solar contractor classification.

The C-46 Solar Exam has Six major sections,

Section 1. Planning and Estimating (14% C-46 of Exam)

  • Evaluate client needs and site feasibility
  • Design & engineering system
  • Interpret plans
  • Estimate job cost

Section 2. Solar Panel/Collector Installation (17% of C-46 Exam)

  • Install roof mount collectors
  • Install ground-mount collectors
  • Make weatherproof penetrations

Section 3. Photovoltaic (PV) System Installation (28% of C-46 Exam)

  • Install basic PV systems
  • Install energy storage systems (ESS)
  • Interface with the utility grid
  • Install standalone PV systems
  • Label PV components
  • System testing, configuration, and monitoring; educating the client

Section 4. Solar Thermal Installation (7% of C-46 Exam)

  • Install hot water systems
  • Install pool heating systems

Section 5. Service and Maintenance (15% of C-46 Exam)

  • Evaluate PV systems
  • Evaluate thermal systems
  • Repair and replace components

Section 6. Safety (19% of C-46 Exam)

  • Protect the public from safety hazards
  • Identify and correct unsafe working conditions
  • Handle hazardous materials

*Percentages are approximate

C-46 Solar Exam source material:

The CSLB utilizes the following publications for the creation of the General Engineering exam. California codebooks can be viewed online: www.dgs.ca.gov/bsc

2022 California Building Code. California Code of Regulations, Title 24. International Code Council.
PHONE: (800) 786-4452.
INTERNET: www.iccsafe.org

2022 California Electrical Code. California Code of Regulations, Title 24. BNI Publications, Inc.
PHONE: (888) 264-2665
INTERNET: www.bnibooks.com

2022 California Energy Code. California Code of Regulations, Title 24. International Code Council.
PHONE: (800) 786-4452
INTERNET: www.iccsafe.org

2022 California Fire Code. California Code of Regulations, Title 24. International Code Council.
PHONE: (800) 786-4452
INTERNET: www.iccsafe.org

2022 California Mechanical Code. California Code of Regulations, Title 24. International Association of Plumbing and Mechanical Officials (IAPMO).
PHONE: (909) 472-4100
INTERNET: http://www.iapmo.org

2022 California Plumbing Code. California Code of Regulations, Title 24. International Association of Plumbing and Mechanical Officials (IAMPO).
PHONE: (909) 472-4100
INTERNET: http://www.gosolarcalifornia.ca.gov

California Solar Initiative. California Public Utilities Commission
INTERNET: http://www.iapmo.org

Operating Guidelines for Certifying Solar Water Heating Systems (OG 300). The Solar Rating and Certification Corporation.
PHONE: (888) 422-7233
INTERNET: www.solar-rating.org

Photovoltaic Systems. American Technical Publishers, Inc.
PHONE: (800) 323-3471
INTERNET: California Solar Initiative (CSI)

Solar Programs. California Energy
INTERNET: www.energy.ca.gov/programs-and-topics/programs

Solar Research. National Renewable Energy Laboratory.
INTERNET: www.nrel.gov/solar

State of California General Industry & Electrical Safety Orders (Cal/OSHA) and State of California Construction & Electrical Safety Orders (Cal/OSHA). 2023. California Code of Regulations, Title 8. Mancomm.
PHONE: (877) 626-2666.
INTERNET: www.mancomm.com

Ugly’s Electrical References. Jones & Bartlett Learning.
PHONE: (800) 832-0034
INTERNET: http://uglies.net

Understanding NEC Requirements for Solar Photovoltaic Systems, 2022. Mike Holt Enterprises.
PHONE: (888) 632-2633
INTERNET: www.mikeholt.com/productitem.php?id=1229

Uniform Solar Energy and Hydronics Code (2021). International Association of Plumbing and Mechanical Officials (IAPMO).
PHONE: (800) 854-2766
INTERNET: www.iapmo.org

*Publisher information is current as of 4/23

C-46 – Solar Contractor – California Code of Regulations Title 16, Division 8, Article 3. Classifications

A solar contractor installs, modifies, maintains, and repairs thermal and photovoltaic solar energy systems. A licensee classified in this section shall not undertake or perform building or construction trades, crafts, or skills, except when required to install a thermal or photovoltaic solar energy system.

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-46 TRADE EXAM.
  • Course-2: LAW & BUSINESS EXAM. (Each Sold Separately)


Pass the Law & Business Exam

Pass the Law & Business Exam for Your Original Contractor’s License

  • Law & Business Exam Focus: This exam concentrates on California Contractor Law and best business practices.
  • Path to Success: To qualify for your first contractor’s license, you must pass both the TRADE and LAW exams. Utilize our resources to “Read, Watch, Listen, Learn, and PASS!”

Prepare for both exams to ensure you meet all the requirements for your original contractor’s license. With the right resources and study habits, you’re on your way to becoming a licensed contractor.


* Shipping fees apply for the options not fully online.

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Take a free C-46 Solar contractor practice test. These free C-46 trade exam questions are similar to the ones you will encounter when taking the actual C-46 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-46 Exam.

Welcome to your free C-46 Solar Exam

REQUIRED - Enter your email address to receive a printable copy of your test results.
What is the difference between THW and THW-2?

What is the maximum voltage for a storage battery in a residence?

Where is it prohibited to install a disconnect device for a photovoltaic system?

Which section of the Electrical Code contains the requirements for grounding?

If the job requires you to hoist equipment using 2 cranes, who would supervise the lift?

How does a C-46 contractor handle multiple DC inputs?

What is the name of a remote electrical system?

As the temperature of a PV module increases, what will happen to the voltage?

How should you walk on a roof with flat concrete tiles?

What is the maximum amount of lead allowed in solder used on piping for potable water systems?

What sort of PPE (personal protective equipment) is recommended when using cleaning solvent?

What should be done with lifelines, safety harnesses, and shock-absorbing lanyards that have been subjected to impact loading?

What is the longest standard length of a scaffold plank?

On a 120V circuit, what color is the (protective) ground wire?

What is the minimum distance apart that acetylene and oxygen cylinders must be stored?

Which of the following is a correct method for storing acetylene cylinders?

Which of the following is the best choice for hoisting a full gas cylinder?

Cylinders containing ______ shall not be taken into confined spaces.

A dry chemical or carbon dioxide fire extinguisher rated at least ______ must be kept near operations where bottled fuel gases are being used.

No more than ______ of paints, solvents, and chemicals may be stored in a room unless an approved safety storage cabinet is present.

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-46 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.