Prepare for Arizona C-11, CR-11, and R-11 electrical contractor licensing with targeted residential and commercial exam preparation.
C-11 · CR-11 · R-11 · NASCLA Electrical
C-11 Electrical covers qualifying commercial electrical installation, alteration, and repair work. CR-11 Electrical is the dual classification that combines commercial and residential electrical authority.
R-11 Electrical is the residential classification for qualifying electrical installation, alteration, and repair work in residential structures.
For the official scope of each classification, review the Arizona Registrar of Contractors classification information.
Commercial and Dual Electrical
Prepare for the electrical trade examination path used for qualifying Arizona C-11 and CR-11 contractor applications.
Residential Electrical
Targeted preparation for contractors pursuing Arizona's residential electrical classification.
Important: Your required examination and application documents depend on the exact classification and licensing route. Confirm current Arizona ROC requirements before registering.
Online course access plus the complete required reference bookset.
Online course plus professionally highlighted and tabbed references.
Self-paced online lessons and practice exams without physical books.
The complete approved reference bookset for your selected exam.
Pre-printed tabs that make approved references faster to navigate.
Purchase only the specific references missing from your collection.
| Classification | General Scope | Recommended Prep Path |
|---|---|---|
| C-11 Electrical | Qualifying commercial electrical installation, alteration, and repair work | Master / Unlimited electrical preparation |
| CR-11 Electrical | Combined commercial and residential electrical contracting | Master / Unlimited electrical preparation |
| R-11 Electrical | Qualifying residential electrical installation, alteration, and repair work | Residential electrician preparation |
Use approved references, online instruction, and practice exams to prepare for the applicable NASCLA Electrical examination. Keep your passing score documentation for the licensing process.
Passing an accepted examination does not automatically issue a license. Applicants must still satisfy Arizona's classification, experience, application, business, bonding, background, and fee requirements.
Learn more about the examination and preparation options on the NASCLA Electrical page.
C-11 is Arizona's commercial electrical contractor classification for qualifying installation, alteration, and repair work within the classification's authorized scope.
CR-11 is a dual electrical classification that combines qualifying commercial and residential electrical authority.
R-11 is Arizona's residential electrical contractor classification for qualifying work on residential electrical systems.
Applicants pursuing C-11 or CR-11 should use the Master Electrician / Unlimited preparation path shown on this page.
Applicants pursuing the residential-only R-11 classification should use the Arizona Residential Electrician preparation course.
No. Passing the required exam is one part of licensing. You must also satisfy the experience, application, business, bonding, background, and fee requirements that apply to your classification.
Arizona contractor applicants generally must document qualifying experience appropriate to the classification. Confirm the current experience standards and accepted documentation with the Arizona ROC.
Options may include a regular combo, pre-highlighted combo, course only, bookset only, tabset only, and individual reference books.
Choose the commercial, dual, or residential electrical preparation path that matches your Arizona licensing goals.
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