Licensing Exams by Trade Name

Nevada
(C-21A) Refrigeration Contractor

Apply for the License
Nevada State Contractor‘s Board
2310 Corporate Circle, Suite 200
Henderson, NV  89074
Phone: (702) 486-1100
Exam Provider
PSI Clark County Office
450 N Stephanie St.
Henderson, NV  89014
Phone:  (855) 205-5827
Exam Type
OPEN  BOOK
Exam Content
Subject Areas# of
Questions
Refrigeration & Refrigerants17
Piping & Tubing8
Condensers & Cooling Towers4
Controls, Valves & Wiring7
Walk-ins / Box Construction2
Ducts & Ventilation2
Test & Inspection3
Gas3
Safety4
Total number of test questions:
50
Time allowed (hours):
2.0
Scope of Work

Construction, erection and installation of devices, machinery and units for the control of air temperatures below 50°F in refrigerators, refrigerated rooms and insulated spaces, and installation of any related insulation, ducts, blowers, registers, controls over humidity and thermostatic controls, lines for supplying natural gas from the unit to the point of connection in the existing line for natural gas at the meter or at any point thereafter, electrical service from the unit's device to protect against excessive current to the main electrical panel, but not the installation of other gas or electric services for the devices, machinery or units.

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
1.
Uniform Mechanical Code, 2018, IAPMO
Buy at Amazon
Books NOT Allowed in the Exam
1.
Modern Refrigeration and Air Conditioning, 19th or 20th Edition, Althous, Turnquist, Bowditch, Bracciano
Buy at Amazon
2.
CFR Title 29, Part 1926 Selections (OSHA), 2013, PSI
Buy from PSI
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
Return to Top
Copyright Notice