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: (877) 692-9762
Exam Provider
PSI Services LLC
3210 E. Tropicana Ave
Las Vegas, NV  89121
Phone:  (855)  744-0310
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 must take the

Arizona Statutes & Rules Training Course & Exam

Books Allowed in the Exam
Code of Federal Regulations, 29 CFR Part 1926 (OSHA), GPO [or] (OSHA) Selections by PSI, 2013
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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, 2016, 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 (updated 2006), Robert Lee, IPT Publishing
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Boiler Operator's Guide, 4th Edition, Anthony Kohan
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Arizona 811: Arizona Blue Stake
Web Page Link
Modern Hydronic Heating for Residential and Light Commercial Buildings, 2nd Edition, John Siegenthaler
Buy at Amazon
Available Study Materials
Download OSHA Guide
Discount policy
PSI OSHA Selections
Study Guide

Sample questions are based on the PSI publication titled “29 CFR PART 1926 Selections, as of June 2013” (highlighted in green above).

This file contains approx. 800 sample questions.

REMINDER:  PSI uses this book for many exams they offer.  Not all sections of this code will apply to your exam.

We also include a table showing the relationship between our questions and OSHA code sections.  Corrections to the original PSI publication are noted. The index/table is availble for veiwing before you purchnse from the button above.

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