Licensing Exams by Trade Name - Home Link

R-37R Plumbing

Apply for the License

Arizona Registrar of Contractors
1700 W. Washington St, Suite 105
Phoenix, AZ  85007
Phone: (602) 542-1525

Exam Administrator

PSI Licensure: Certification
3210 E. Tropicana
Las Vegas, NV  89121
Phone:  (800) 733-9267

Exam Type


Exam Content

Subject Areas# of
Drainage Waste and Vents16
Indirect Waste4
Water Supply Systems13
Backflow Prevention5
Roof Drains and Storm Drainage Systems5
Plumbing Fixtures (including water heaters and accessibility)7
General Knowledge and General Regulations10
Specialty Plumbing, Interceptors, and Traps5
Isometric Analysis5
Fuel Gas10
Septic and Sewer10
Fire Sprinklers5
Total number of test questions:
Time allowed (minutes):

In addition to the trade-specific examination, you may be required to pass the Business and Law Exam offered by PSI or take an "approved" Business and Law course

Books Allowed in the Exam

Code of Federal Regulations, 29 CFR Part 1926 (OSHA), GPO [or] (OSHA) Selections by PSI
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International Fuel Gas Code, 2018, ICC
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International Mechanical Code, 2018, ICC
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International Plumbing Code, 2018, ICC
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NFPA 13: Standard for the Installation of Sprinkler Systems, 2007 or 2013, NFPA
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NFPA 13D: Standard for the Installation of Sprinkler Systems in One- and Two-Family Dwellings and Manufactured Homes, 2016, NFPA
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NFPA 13R: Standard for the Installation of Sprinkler Systems for Residential Occupancies Up To and Including Four Stories in Height, 2016, NFPA
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On-site Wastewater Treatment Facility Provisions in Unified Water Quality Permit Rule, Arizona Administrative Code Title 18, Chapter 9, Arizona DEQ
PDF File Link

Books NOT Allowed in the Exam

Mathematics for Plumbers and Pipefitters, 8th Edition, Lee Smith
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IPT's Pipe Trades Handbook, 1991, Robert A. Lee, IPT Publishing
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Boiler Operator's Guide, 4th Edition, Anthony Kohan
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Arizona 811 - Excavator Guide, Arizona Blue Stake
PDF File Link
Modern Hydronic Heating for Residential and Light Commercial Buildings, 2nd Edition, John Siegenthaler
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Available Study Materials
Individual Book Title
Practice Exam
(price variable)

The price is dependent on how many sets of questions you order and their content.

The file(s) you receive contain sample exam questions for the book title(s) above highlighted (light green) that you select in your order.

A 15% discount applies when ordering TWO (2) OR MORE BOOK TITLES.

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