Arizona Plumbing Residential / Commercial Contractor (CR-37) Exam Book Package

Prepare with confidence and pass your Arizona Plumbing Residential / Commercial Contractor (CR-37) Exam with this complete Exam Book Package, featuring the approved references allowed in the testing center, plus important study references that help you build real-world plumbing, pipefitting, fuel gas, mechanical, sprinkler, wastewater, hydronic heating, and jobsite safety knowledge before exam day.

Built specifically for Arizona’s open-book contractor exam, this package helps you develop the knowledge and book-navigation skills needed for residential and commercial plumbing systems, fuel gas piping, mechanical code compliance, fire sprinkler systems, on-site wastewater rules, OSHA safety, and plumbing trade calculations.

📚 What’s Included

✅ Exam-Approved References Allowed in the Testing Center

These are the approved materials you can use during the Arizona CR-37 exam, making them essential for preparation and exam-day success.

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Code of Federal Regulations - 29 CFR Part 1926 (OSHA)

Covers important construction safety standards, including:

• Jobsite hazard recognition and prevention
• Personal protective equipment
• Excavation and trenching safety
• Ladder, scaffold, tool, and equipment safety
• Hazard communication and safe work practices
• OSHA compliance for plumbing and construction work

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International Fuel Gas Code, 2018

A key reference for fuel gas systems, including:

• Gas piping installation and sizing
• Appliance connections
• Combustion air and venting requirements
• Gas pressure regulation
• Fuel gas safety provisions
• Code compliance for residential and commercial gas systems

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International Mechanical Code, 2018

Provides mechanical system requirements, including:

• Mechanical equipment installation
• Ventilation and exhaust systems
• Hydronic and piping-related provisions
• Equipment clearances and access
• Combustion air and appliance venting coordination
• Code compliance for mechanical systems connected to plumbing work

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International Plumbing Code, 2018

A primary plumbing code reference, including:

• Water supply and distribution systems
• Drain, waste, and vent systems
• Fixtures, traps, and cleanouts
• Pipe sizing and installation requirements
• Storm drainage and sanitary systems
• Residential and commercial plumbing code compliance

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NFPA 13: Installation of Sprinkler Systems, 2019

A critical reference for commercial fire sprinkler systems, including:

• Sprinkler system design and installation requirements
• Piping, fittings, valves, and hangers
• Water supply and system components
• Inspection and testing basics
• Fire protection requirements for commercial buildings

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NFPA 13D - Installation of Sprinkler Systems in One- and Two-Family Dwellings and Manufactured Homes, 2019

A focused sprinkler reference for homes, including:

• Residential sprinkler system requirements
• One- and two-family dwelling applications
• Manufactured home sprinkler provisions
• Water supply and system layout basics
• Safety requirements for residential fire protection

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NFPA 13R - Sprinkler Systems for Residential Occupancies up to and Including Four Stories in Height, 2019

A key reference for low-rise residential occupancies, including:

• Sprinkler system requirements for residential buildings
• Occupancies up to four stories
• Piping, spacing, and installation provisions
• Fire protection design basics
• Compliance for multifamily and residential occupancy projects

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On-site Wastewater Treatment Facility Provisions in Unified Water Quality Permit Rule, Arizona Administrative Code Title 18, Chapter 9, 2006

A specialized Arizona reference for wastewater systems, including:

• On-site wastewater treatment facility rules
• Arizona water quality requirements
• Septic and disposal system provisions
• Permit-related requirements
• Compliance guidance for wastewater-related plumbing work

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💡 All exam-approved books are provided in standard format, not pre-tabbed, allowing you to prepare under real testing conditions.

📖 Important Study References

⚠️ Study References Not Allowed in the Testing Center

These references are important for building plumbing trade knowledge, but they are not allowed for use during the exam. Use them before test day to strengthen your understanding of plumbing math, pipe trades, boilers, underground utility safety, and hydronic heating systems.

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Mathematics for Plumbers and Pipefitters, 8th Edition

A helpful study reference for trade math, including:

• Plumbing and pipefitting calculations
• Measurements, conversions, and formulas
• Pipe sizing math basics
• Offsets, slopes, and layout problems
• Practical math used in plumbing field work

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IPT’s Pipe Trades Handbook, Robert A. Lee, 2016

A practical pipe trades reference, including:

• Pipe, fittings, flanges, and valves
• Threading, joining, and layout methods
• Pipe sizing reference data
• Trade formulas and conversion tables
• Field information for plumbers and pipefitters

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Boiler Operator’s Guide, 5th Edition

A useful study reference for boiler-related plumbing and mechanical work, including:

• Boiler operation basics
• Boiler components and controls
• Steam and hot water systems
• Safety devices and operating procedures
• Maintenance and troubleshooting concepts

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Arizona 811 - Arizona Blue Stake Brochure

A helpful reference for underground utility awareness, including:

• Safe digging practices
• Utility locating basics
• Excavation planning
• Damage prevention
• Arizona Blue Stake procedures and responsibilities

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Modern Hydronic Heating for Residential and Light Commercial Buildings, John Siegenthaler, P.E., 2022

A detailed study reference for hydronic heating systems, including:

• Hydronic system design concepts
• Pumps, valves, piping, and controls
• Heat transfer and system efficiency
• Boiler and radiant heating applications
• Residential and light commercial heating layouts

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🔧 What This Package Does for You

✔️ Prepares You for the Open-Book Exam

Learn how to quickly navigate OSHA, the International Plumbing Code, International Fuel Gas Code, International Mechanical Code, NFPA sprinkler standards, and Arizona wastewater rules under time pressure so you can find answers faster during the exam.

✔️ Builds Real-World Plumbing Knowledge

Strengthen your understanding of water supply systems, DWV systems, fixtures, traps, cleanouts, pipe sizing, gas piping, venting, storm drainage, and plumbing installation methods.

✔️ Improves Fire Sprinkler System Preparation

Review important requirements for commercial sprinkler systems, one- and two-family dwelling sprinkler systems, and residential occupancies up to four stories.

✔️ Strengthens Fuel Gas, Mechanical, and Wastewater Knowledge

Study fuel gas piping, appliance venting, mechanical system coordination, hydronic heating basics, boiler concepts, and Arizona on-site wastewater treatment provisions.

✔️ Supports Safety and Utility Awareness

Review OSHA construction safety, excavation safety, PPE, trenching hazards, tool safety, and Arizona Blue Stake utility-locating awareness before working underground.

✔️ Expands Your Contractor Capabilities

Gain the technical knowledge needed to handle residential and commercial plumbing, gas piping, mechanical-related plumbing, sprinkler systems, wastewater systems, and pipe trade projects.

🎯 Who This Is For

• Contractors applying for the Arizona CR-37 License
• Residential and commercial plumbing contractors
• Plumbers and pipefitters preparing for licensing
• Gas piping and mechanical piping professionals
• Fire sprinkler system contractors and technicians
• Septic and on-site wastewater system professionals
• Construction supervisors, business owners, and field managers
• Anyone serious about passing the exam and improving field expertise

🚀 Why This Package Works

This package is built around:

• Actual Arizona CR-37 exam reference requirements
• Open-book exam preparation
• Important technical study materials
• Real-world plumbing, pipefitting, gas, sprinkler, and wastewater applications
• OSHA safety and construction compliance
• Plumbing, fuel gas, mechanical, NFPA, and Arizona wastewater code knowledge

💡 Pro Tip

The Arizona CR-37 exam is open-book, but only the approved references are allowed in the testing center. That means the study-only books should be used before test day to build your trade knowledge, while the allowed references should be practiced for speed and accuracy.

Think of the study books as your rough-in practice and the approved references as your test-day tools. You do not want to start hunting for the cleanout after the clock is already running.

🏁 Prepare Smarter. Pass Faster.

Passing your Arizona CR-37 exam is not about luck. It is about understanding plumbing systems, knowing safety rules, and being able to use your approved references quickly during the exam.

This package gives you the approved exam materials, important study references, and technical foundation needed to prepare for your Arizona Plumbing Residential / Commercial Contractor License.

👉 Get started today and take the next step toward earning your Arizona CR-37 Contractor License.