Free Practice Questions for AZ Plumber
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Key Facts: AZ Plumber Exam
70%
Passing Score
Arizona Registrar of Contractors
80
Questions
3 hours time limit
$100-$580
Exam Fee
PSI
UPC/IPC
Code Basis
Arizona uses a mix of UPC and IPC provisions with state-specific amendments
Arizona's journeyman plumber exam has approximately a 58% pass rate. The 80-question exam requires 70% to pass and is based on the UPC/IPC. Arizona uses a mix of UPC and IPC provisions with state-specific amendments.
Sample AZ Plumber Practice Questions
Try these sample questions to review concepts for the AZ Plumber exam. Each question includes a detailed explanation. Start the interactive quiz above for the full 298+ question experience with AI tutoring.
1Under the UPC/IPC as adopted in Arizona, what is the minimum size drain pipe required for a water closet?
2According to the UPC/IPC as enforced in Arizona, what is the minimum slope for a 4-inch horizontal drainage pipe?
3Under Arizona's plumbing code, what is the DFU value for a residential lavatory?
4Per the UPC/IPC as adopted in Arizona, what is the minimum depth of a fixture trap seal?
5According to the UPC/IPC as enforced in Arizona, at what intervals must cleanouts be installed on horizontal drainage piping 4 inches and smaller?
6Under the UPC/IPC as adopted in Arizona, what is the maximum number of DFUs that can be connected to a 3-inch horizontal branch?
7Per the UPC/IPC as enforced in Arizona, what is the required slope for a 2-inch horizontal drainage pipe?
8According to the UPC/IPC as adopted in Arizona, what is the minimum size building sewer when serving more than one water closet?
9Under the UPC/IPC as enforced in Arizona, what is the maximum tailpiece length from a fixture outlet to the trap weir?
10Per the UPC/IPC as adopted in Arizona, what is the DFU value for a residential bathtub with shower?
About the AZ Plumber Exam
The Arizona journeyman plumber exam is administered by PSI on behalf of the Arizona Registrar of Contractors. The Arizona exam includes both a trade exam and a business management exam for contractor licensing. It tests knowledge of the UPC/IPC, drainage systems, water supply, venting, gas piping, and Arizona-specific amendments.
Exam sponsor: Arizona Registrar of Contractors. The requirements and fees below concern the certification or admission exam, separate from our free practice resources.
Questions
80 questions
Time Limit
3 hours
Passing Score
70%
Reported exam pass rate: ~58%. This describes exam candidates, not OpenExamPrep users or results from using our resources. Exam sponsor website
Fees, eligibility, and exam policies can change. Confirm them with the exam sponsor before applying or paying.
Official sources
Our practice resources: topics covered
We aim to reflect publicly available exam outlines and topic information in our study resources. Coverage, format, and difficulty may differ from the actual exam, and we cannot guarantee that every detail is accurate or current. Confirm exam requirements, fees, and policies with the official exam sponsor.
Drainage, Waste & Vent Systems
UPC/IPC drain sizing, fixture units, slope requirements, cleanouts, trap seals, and DWV installation per Arizona amendments
Water Supply & Distribution
Pipe sizing, backflow prevention, cross-connection control, water heaters, pressure regulation, and T&P relief requirements
Venting Systems
Vent sizing, wet venting, circuit venting, air admittance valves, vent termination per the UPC/IPC
Gas Piping & Appliances
Gas pipe sizing, BTU calculations, pressure testing, appliance venting, and combustion air requirements
Code Administration & Materials
Permits, inspections, approved materials, joint methods, pipe supports, and Arizona-specific rules
Preparing for the AZ Plumber Exam
What You Need to Know
- Passing score: 70%
- Exam length: 80 questions
- Time limit: 3 hours
- Exam / certification fees: $100-$580 Official sources
Using Our Practice Resources
- Work through all 298 available questions
- Review every answer and explanation
- Track weak areas and revisit them
- Use our AI tutor for tough concepts
AZ Plumber: Suggested Study Strategy
Frequently Asked Questions
What plumbing code does Arizona use?
Arizona uses a mix of UPC and IPC provisions with state-specific amendments. The Arizona Registrar of Contractors oversees all licensing requirements. The exam is based on the current adopted UPC/IPC edition.
How many questions are on the Arizona plumber exam?
The Arizona journeyman plumber exam has approximately 80 multiple-choice questions with a time limit of 3 hours. A score of 70% is required to pass.
Who administers the Arizona plumber exam?
The exam is administered by PSI on behalf of the Arizona Registrar of Contractors. You must apply through the agency and schedule your exam through PSI's testing system.
What experience is required for the Arizona journeyman plumber exam?
Minimum 4 years of journeyman-level plumbing experience or equivalent apprenticeship. Contact the Arizona Registrar of Contractors for specific requirements and application procedures.