Arizona
L-49 Industrial Refrigeration
(Commercial)

Apply for the License

Arizona Registrar of Contractors
3838 North Central Avenue
Phoenix, AZ 85012
Phone: (602) 542-1525
Licensing Link

Exam Administrator

PSI Services, LLC
3210 E. Tropicana
Las Vegas, NV 89121
Phone: (800) 733-9267, Fax: (702) 932-2666
Examination Link

Exam Type

OPEN BOOK

Exam Content

Subject Areas	# of Questions
Commercial and Industrial Refrigeration	30
Controls and Motors	8
Installation, Start-up and Operation	8
Testing and Trouble Shooting	8
General Knowledge and Theory	8
Sizing and Estimating	4
Box Construction and Cases	2
Piping and Tubing, including Valves	12

Total Number of Test Questions:	80
Time Allowed (minutes):	210
Passing Percentage:	70%

The state of Arizona also requires that you take and pass a written Business Management exam for this trade.

Part of this exam requires knowledge of business management principles. We offer those study materials on a separate Arizona Business Management web page.

Reference Books Permitted in the Exam

1.	Code of Federal Regulations - 29 CFR Part 1926, Revised as of 2008 or later (OSHA) - OR - Selections as of 2008 by PSI.
2.	International Fuel Gas Code, 2009, ICC.
3.	International Mechanical Code, 2009, ICC.

Reference Books NOT Permitted in the Exam

1.	Modern Refrigeration and Air Conditioning, 18th Edition, Althous, Turnquist, Bowditch, Bracciana.
2.	Industrial Refrigeration Handbook, 1998, Wilbert F. Stoecker.

Recommended Study Materials

Arizona • L-49 Industrial Refrigeration

Product Name	Price
Comprehensive Tutorial
Practice Tests ( 3 )
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