The content shown below only lists main category headings. Please consult the PSI exam bulletin for more detailed information about subject sub-categories.
|Subject Areas||# of|
|General Plumbing Knowledge and Regulations||10|
|Piping, Valves, and Control Valves||8|
|Fixtures and Equipment||8|
|Drains and Sewers||10|
|Traps, Interceptors, Indirect, and Special Waste||5|
In addition to the trade-specific examination, you may be required to pass the Business and Law Exam offered by PSI or take an "approved" Business and Law course
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