Plumbing Exam Prep Commercial Plumber (C-37)

Installation, alteration, and repair of all plumbing when performed solely within property lines and not on public easements or right-of-ways, except as hereinafter provided. Installation, alteration, and repair of all piping, fixtures, and appliances related to water supply, including pressure vessels and tanks (excluding municipal or related water supply systems); venting and sanitary drainage systems for all fluid, semi-fluid, and organic wastes; septic tanks and leaching lines; roof leaders; lawn sprinklers; water conditioning equipment; piping; and equipment for swimming pools. Also included are piping, fixtures, appliances, and pressure vessels for manufactured and natural gases, compressed air and vacuum systems, petroleum, fuel oil, non-potable liquids, hot water heating, and hot water supply systems operating at pressures not exceeding 30 PSIG, or temperatures not exceeding 220° F; steam heating and steam supply systems not exceeding 15 PSIG operating pressure; gas or oil fired space heaters and furnaces, excluding duct work. Piping for water cooling systems, excluding the refrigerant piping and equipment. Testing and balancing of hydronics systems. Sewer, gas, water lines, and connections from structure to the nearest point of public supply or disposal may cross public or private easements or be installed within private easements. Pipe installed across public property may not be increased in size, or make any other connection between the point of exit from private property to the point of connection at public supply or disposal. These lines shall not be installed parallel to main lines in public easements or right-of-ways.

• Anyone seeking to become a contractor in Arizona is required to sit for two exams, business and law and the trade.
• Workers Compensation is required

Must carry a Bond (Commercial)

• If your Estimated Annual Volume (Per License Category) is less than $150,000 your current bond will need to be $2,500
• If your Estimated Annual Volume (Per License Category) is $150,000 or more but less than $500,000 your bond as of July 1st 2014 will be $7,000
• If your Estimated Annual Volume (Per License Category) is $500,000 or more  but less than $1,000,000 your bond as of July 1st 2014 will be $17,500
• If your Estimated Annual Volume (Per License Category) is $1,000,000 or more but less than $5,000,000 your bond as of July 1st 2014 will be $25,000
• If your Estimated Annual Volume (Per License Category) is $5,000,000 or more but less than $1,000,000 your bond as of July 1st 2014 will be $37,500

Must carry a Bond (Residential)

• If your Estimated Annual Volume (Per License Category) is less than $100,000 your bond as of July 1st 2014 will be $4,250
• If your Estimated Annual Volume (Per License Category) is $100,000 or more but less than $375,000 your bond as of July 1st 2014 will be $4,250
• If your Estimated Annual Volume (Per License Category) is $375,000 or more your bond as of July 1st 2014 will be $25,000

An application for licensure can be obtained from the Arizona Registrar office at www.azroc.gov or by calling 1-602-542-1525. The Licensing and Application fee for Commercial is $580 and Residential $720.

If you need assistance with the application process, @ Home Prep- a division of Stautzenberger College can help you by saving you time and money. With our years of experience, we can quickly and accurately submit your application to your state.

• The testing company is PSI (1-800-733-9267)
• 100 questions and 4 hour time limit
• 70% is required to pass the exam
• Topics on the exam include drainage waste and vents, indirect waste, water supply systems, backflow prevention, roof drains and storm drainage systems, plumbing fixtures, isometric analysis, fuel gas, septic sewer, hydronics, fire sprinklers and excavation.

The following references are permitted to be taken into the examination. These references may be tabbed (with a permanent index tab) and highlighted.

• 2018 International Fuel Gas Code
• 2018 International Mechanical Code
• 2018 International Plumbing Code
• OSHA 1926
• NFPA 13, 2016
• NFPA 13D, 2007
• NFPA 13R, 2007
• On Site Wastewater Treatment Facility Provisions in Unified Water Quality Permit Rule, Arizona Administrative Code Title 18

The following reference material is NOT allowed in the examination center:

• Mathematics for Plumbers and Pipefitters
• IPT’s Pipe Trades Handbook
• Boiler Operator’s Guide
• Arizona 811: Arizona Blue Stake
• Modern Hydronic Heating for Residential and Light Commercial Buildings

We do not offer training for this license at this time, please check later as we add more content.

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