(C-21D) Refrigeration & 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
PSI Services LLC
3210 E. Tropicana
Las Vegas, NV 89121
Phone: (855) 205-5827
|Subject Areas||# of|
|Systems / Components||20|
|Metering Devices / Troubleshooting||20|
|Controls & Wiring||10|
Total number of test questions:
Time allowed (hours):
This exam may also include questions on the following subjects:
- Reading and interpreting construction codes and regulations
- Nevada Health Department regulations
- Appropriate building codes
- Trade materials, tools, equipment and methods
- Nevada Occupational Safety and Health Rules
In addition to the trade-specific examination, you are required to pass the Contractor Management Survey Exam offered by PSI.
Books Allowed in the Exam
Uniform Mechanical Code, 2012, IAPMO
Books NOT Allowed in the Exam
Troubleshooting and Servicing Modern Air Conditioning and Refrigeration Systems, 2nd Edition, John Tomczyk
Modern Refrigeration and Air Conditioning, 19th or 20th Edition, Althous, Turnquist, Bowditch, Bracciano
Code of Federal Regulations, 29 CFR Part 1926 (OSHA), GPO [or] (OSHA) Selections by PSI, 2013
Available Study Materials
PSI OSHA Selections
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.