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Nevada
C-21D Refrigeration and Air Conditioning
Maintenance Contractor

Apply for the license

Nevada State Contractor's Board
2310 Corporate Circle, Suite 200
Henderson, NV  89074
Phone: (702) 486-1100

9670 Gateway Dr. #100
Reno, NV  89511
Phone: (775) 688-1141
www.nscb.state.nv.us
Exam Administrator

PSI Licensure : Certification
3210 E. Tropicana
Las Vegas, NV 89121
Phone: (800) 733-9267
Candidate Information Web Page
Exam Type
OPEN  BOOK
Exam Content
Subject Area # of Questions
Systems/Components 20
Metering Devices/Troubleshooting 20
Controls and Wiring 10
Chilled Water 3
Refrigerants 3
Walk-in Refrigerators 1
Safety 3
Total Number of Test Questions: 60
Time Allowed (hours) 2.0
Passing score 42

In Nevada you must also pass a Contractor Management Survey Exam (Business and Law) unless you are already a licensed contractor who is adding a classification to your license.

25% Discount Notice
Recommended (permitted) Reference Books
1. Uniform Mechanical Code, 1997, International Association of Plumbing and Mechanical Officials.
Reference Books NOT Permitted in the Exam
(used to write questions)
1. Modern Refrigeration and Air Conditioning, 2000, Althous, Turnquist, Bowditch, Bracciana.
2. Code of Federal Regulations - 29 CFR Part 1926 (OSHA), Revised as of 2004 or Later - OR - (OSHA) Excerpts as of 2003 by PSI. Reference page
3. Evaporative Air Conditioning Handbook, 3rd Edition, 1997, John R. Watt, Will K. Brown.

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Nevada • C-21D Refrigeration and Air Conditioning Maintenance Contractor
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 18-Dec-2006

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