Licensing Exams by Trade Name - Home Link


Residential Journeyman Plumbing & Natural Gas

Apply for the License
State of Oklahoma CIB
2401 NW 23rd Street, Suite 2F
Oklahoma City, OK 73107
Phone: (405) 521-6550
Exam Provider
PSI Licensure: Certification
3210 E. Tropicana
Las Vegas, NV  89121
Phone:  (855) 834-8750
Exam Type
Exam Content

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.

TopicsSub-topics# of
General Plumbing Knowledge & Regulations710
Piping, Valves & Control Valves68
Fixtures & Equipment38
Water Supply310
Drains & Sewers510
Traps, Interceptors, Indirect & Special Waste35
Isometric Analysis7
Fuel Gas710
Total number of test questions:
Time allowed (minutes):

In addition to the trade-specific examination, you must pass the Plumbing Business & Law Exam offered by PSI to complete your Oklahoma licensing requirements.

Books Allowed in the Exam
Code of Federal Regulations, 29 CFR Part 1926 (OSHA), GPO [or] MANCOMM Construction Industry Regulations & Standards, Millennium Edition
Book Source
Mathematics for Plumbers and Pipefitters, 8th Edition, Lee Smith
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