Apply for the License
State of Oklahoma CIB
2401 NW 23rd Street, Suite 2F
Oklahoma City, OK 73107
Phone: (405) 521-6550
PSI Licensure: Certification
3210 E. Tropicana
Las Vegas, NV 89121
Phone: (855) 834-8750
The exam content shown below only lists main category headings. Please consult the PSI exam bulletin for Oklahoma trades from the button below for more detailed information about subject sub-topics.
|Electrical Knowledge & Controls||5||15|
|Air Distribution Systems||11||15|
|Refrigeration & Air Conditioning Systems||7||20|
Total number of test questions:
Time allowed (minutes):
In addition to the trade-specific examination, you must pass the Mechanical Business & Law Exam offered by PSI to complete your Oklahoma licensing requirements.
Books Allowed in the Exam
ACCA Ductulator (Duct Slide Rule), ACCA
International Mechanical Code, 2018, ICC
International Fuel Gas Code, 2018, ICC
Modern Refrigeration and Air Conditioning, 19th or 20th Edition, Althous, Turnquist, Bowditch, Bracciano
Refrigeration & Air Conditioning Technology, 5th Edition, Delmar Publishing
Manual J - Residential Load Calculations, 8th/2.50, 2016, ACCA
Mathematics for Plumbers and Pipefitters, 8th Edition, Lee Smith
Code of Federal Regulations, 29 CFR Part 1926 (OSHA), GPO [or] MANCOMM Construction Industry Regulations & Standards, Millennium Edition
NOTE: You have the option of using reference #4 or #5 in the exam.
Additional Allowed Books
HVAC Level 1 Trainee Guide, 4th Edition, NCCER
HVAC Level 2 Trainee Guide, 4th Edition, NCCER
HVAC Level 3 Trainee Guide, 4th Edition, NCCER
HVAC Level 4 Trainee Guide, 4th Edition, NCCER
A practice exam is currently NOT AVAILABLE
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