Construction Trade Exam Research Area

C-74 (CR-74) Boilers, Steamfitting and Process Piping, including Solar
(Commercial / Dual License)

Apply for the License

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

Exam Administrator

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

Exam Type


Exam Content

Subject Areas# of
Boilers 10
Steam and Hot Water Piping 6
Gas Piping 6
Burners 5
Controls 5
Flues and Vents 4
Sizing and Estimating 4
Testing and Inspection 4
Process Piping 6

Total number of test questions: 50
Time allowed (minutes): 120


Solar Portion# of
Collection Loops 5
Components 4
Installation 5
Maintenance 2
Mounting 4
Principles 5
Solar Systems Piping 5

Total number of test questions: 30
Time allowed (minutes): 75
The state of Arizona also requires that you take and pass a written Business Management exam for this trade

Go to Business and Law Offering

Books Allowed in the Exam

1. Code of Federal Regulations - 29 CFR Part 1926 (OSHA), GPO [or] (OSHA) Selections by PSI Buy from Publisher
2. International Fuel Gas Code, 2018, ICC Buy at Amazon
3. International Mechanical Code, 2018, ICC Buy at Amazon
Go to OSHA Resources

Books NOT Allowed in the Exam

1. Low Pressure Boilers, 4th Edition, Frederick M. Steingress. Buy at Amazon
2. Modern Hydronic Heating for Residential and Light Commercial Buildings, 2nd Edition, 2004, John Siegenthaler. Buy at Amazon
3. IPT's Pipe Trades Handbook, 1991, Robert A. Lee, IPT Publishing Buy at Amazon

Solar Books NOT Allowed in the Exam

1. Solar Water and Pool Heating Design Manual, 2006, Florida Solar Energy Center Buy at Amazon
Study materials are currently NOT available for this exam

Check this page again at a later time.  Refresh this page to see current info (F5 on your keyboard).

Return to the Arizona State Page

Copyright Notice