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100+ Free AZ Plumber Practice Questions

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2026 Statistics

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.

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.

Questions

80 scored questions

Time Limit

3 hours

Passing Score

70%

Exam Fee

$100-$580 (Arizona Registrar of Contractors)

AZ Plumber Exam Content Outline

25%

Drainage, Waste & Vent Systems

UPC/IPC drain sizing, fixture units, slope requirements, cleanouts, trap seals, and DWV installation per Arizona amendments

25%

Water Supply & Distribution

Pipe sizing, backflow prevention, cross-connection control, water heaters, pressure regulation, and T&P relief requirements

20%

Venting Systems

Vent sizing, wet venting, circuit venting, air admittance valves, vent termination per the UPC/IPC

15%

Gas Piping & Appliances

Gas pipe sizing, BTU calculations, pressure testing, appliance venting, and combustion air requirements

15%

Code Administration & Materials

Permits, inspections, approved materials, joint methods, pipe supports, and Arizona-specific rules

How to Pass the AZ Plumber Exam

What You Need to Know

  • Passing score: 70%
  • Exam length: 80 questions
  • Time limit: 3 hours
  • Exam fee: $100-$580

Keys to Passing

  • Complete 500+ practice questions
  • Score 80%+ consistently before scheduling
  • Focus on highest-weighted sections
  • Use our AI tutor for tough concepts

AZ Plumber Study Tips from Top Performers

1Master UPC/IPC drain sizing tables and fixture unit calculations — heavily tested on the Arizona exam
2Study backflow prevention device selection for different hazard levels per UPC/IPC cross-connection requirements
3Memorize minimum pipe sizes, trap sizes, and vent sizes for common residential fixtures
4Practice gas pipe sizing using fuel gas code tables including BTU demand calculations
5Review water heater installation requirements including T&P relief, expansion tanks, and pan requirements

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.