Licensing Exams by Trade Name - Home Link

Arizona
(CR-74) (C-74) Boilers, Steamfitting & Process Piping, Including Solar

Apply for the License
Arizona Registrar of Contractors
1700 W. Washington St, Suite 105
Phoenix, AZ  85007
Phone: (877) 692-9762
Licensing Agency Site
Exam Provider
PSI Services LLC
3210 E. Tropicana Ave
Las Vegas, NV  89121
Phone:  (855)  744-0310
Arizona PSI Site
Exam Type
OPEN  BOOK
Exam Content
Subject Areas# of
Questions
Boilers10
Steam and Hot Water Piping6
Gas Piping6
Burners5
Controls5
Flues and Vents4
Sizing and Estimating4
Testing and Inspection4
Process Piping6
Solar Portion
Subject Area# of
Questions
Collection Loops5
Components4
Installation5
Maintenance2
Mounting4
Principles5
Solar Systems Piping5
Total number of test questions:
50
Time allowed (minutes):
120
Solar total number of test questions:
30
Solar time allowed (minutes):
75

In addition to the trade-specific examination, you must take the

Arizona Statutes & Rules Training Course & Exam

Link to Statutes and Rules Exam
Books Allowed in the Exam
1.
CFR Title 29, Part 1926 Selections (OSHA), 2013, PSI
Buy from PSI
2.
International Mechanical Code, 2012, 2015 or 2018, ICC
Buy at Amazon
3.
International Fuel Gas Code, 2012, 2015 or 2018, ICC
Buy at Amazon
Books NOT Allowed in the Exam
1.
Low Pressure Boilers, 3rd Edition, 2008, Frederick Steingress, Harold Frost
Buy at Amazon
2.
Modern Hydronic Heating for Residential and Light Commercial Buildings, 2nd Edition, John Siegenthaler
Buy at Amazon
3.
IPT’s Pipe Trades Handbook, 1991 (updated 2006), Robert Lee, IPT Publishing
Buy at Amazon
Books NOT Allowed (C-74)
1.
Solar Water and Pool Heating Manual, Florida Solar Energy Center
Book Source
Available Study Materials
This study guide only covers the OSHA portion of the PSI exam.
PSI OSHA Selections, 2013
Study Guide
$49.95
We advise that you NOT purchase the PSI published book shown in the exam bulletin.  We recommend a better, up-to-date allternative on our Study Guides purchase page linked below.

The button below will take you to the details about our 800 question Study Guides and provide you with a FREE "Reference Navigator" document that allows you to more accutately decide which sections of the federal code applies to your exam.  PSI does not provide this information.
Go to OSHA Guide buy page
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May-2025