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Exam Prep Course

Arizona C-11 Commercial Electrical Exam Prep Course

  • $ 297.00


  • Course Duration: Complete at Your Own Pace
  • Course Type: Online
  • Books Required: 5

Arizona C-11 (CR-11) Commercial Electrical Contractor Exam Prep Course

Arizona C-11 Commercial Electrical Contractors are licensed to perform the installation, alteration, and repair of any wiring, related electrical material and equipment used in the generating, transmitting or utilization of electrical energy less than 600 volts, including all overhead electrical wiring on public rightof-ways for signs and street decorations, and all underground electrical distribution systems of less than 600 volts serving private properties. Installation, alteration, and repair on other than public right-of-ways of all outside, overhead, and underground electrical construction and all wiring in or on any building of less than 600 volts.

Note: Arizona contractor license applicants applying for the C-11 Electrical (Commercial) license have a choice of trade exams: one can elect to take either the NASCLA Accredited Trade Examination for Electrical Contractors or the AZ ROC Commercial Electrical Contractor (C-11) exam. There are differences in these exams in content, references, and state reciprocity. If you aren't sure which option is best for you, a state licensing specialist can help you decide on a Contractor Licensing Start-Up Consultation.


Exam Prep Class:

This online course prepares you to take and pass the Arizona C-11 Commercial Electrical Contractor exam at PSI.

This is an online, pre-recorded course you can complete at your own time and pace. Pre-Recorded content includes highlighting instructions, practice exam questions for each book, electrical theory modules, and a simulation practice exam.


Class Days and Times:

This prep course is an online pre-recorded course that you can complete at your own time and pace.

Course material is delivered to you digitally immediately upon purchase - meaning you can get started preparing for your exam today!


webinar access time

Online Content is available for 180 days after purchase. To extend content access an additional 180 days, a $50 course extension fee is required. If you have any questions, please contact our support team.

Additional Materials

The exam, administered by PSI Exams, is partially open-book. You may bring the approved references into the exam, and reference manuals may be tabbed and highlighted. Tabs must be permanent adhesive tabs - removable tabs such as post-its are not allowed in the examination center. Tabs for the books allowed inside the exam are available here.



We offer a book bundle with all the books necessary to prepare for the Arizona C-11 Exam at the link here.

Books allowed into the exam:

  • Code of Federal Regulations - 29 CFR Part 1926 (OSHA), with latest available amendments
  • NFPA 70: National Electrical Code, 2017
  • NFPA 72: National Fire Alarm Code, 2016

Books not allowed into the exam, but used as study references:

  • Ugly's Electrical References
  • Photovoltaic Systems

Our exam prep curriculum includes tabbing and highlighting books for use in the exam. Tabs for this book bundle are sold separately hereIn a hurry? Check out our exam-ready pre-tabbed and highlighted books here to save hours of tabbing and highlighting your own books!

Exams are administered by PSI and are available as in-person or remote proctored exams. You can schedule the exam, once you receive approval, at

Exam Subject Areas


# of Questions Minimum Passing Score Time Allowed
110 70% correct 240 minutes


Subject Area # of questions
General Electrical Knowledge 5
Service Feeders and Branch Circuits 13
Grounding and Bonding 13
Conductors and Cables 12
Raceways and Boxes 10
Special Occupancies and Equipment 13
Devices 2
Motors 5
Low Voltage 5
Lighting 3
Fire Detection and Alarm Systems 5
Safety 5
Overcurrent Protection 8
Photovoltaics 10

You can also refer to the PSI Candidate Information Bulletin here for more information on testing policies.

Applying for the Exam

Arizona Registrar of Contractors (ROC) license applicants must take and pass their required course(s) and exam(s) before submitting a license application with supporting documentation to the board for approval. Do you need help compiling your application? Our licensing specialists offer Contractor Application Processing Services to walk you through the application process from start to finish.


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