Arizona Plumbing, Residential Contractor (R-37R) Highlighted & Tabbed Book Package

Prepare your open-book reference library for the Arizona Plumbing, Residential Contractor (R-37R) trade examination with a complete highlighted and tabbed book package. This package brings together the plumbing codes, fuel gas and mechanical codes, fire sprinkler standards, construction safety regulations, wastewater provisions, mathematics resources, pipe-trade references, boiler guidance, utility-location information, and hydronic heating material associated with the examination.

The Arizona R-37R exam requires more than general plumbing knowledge. Candidates may need to move between multiple technical references while answering questions about drainage, waste and vent systems, water distribution, plumbing fixtures, fuel gas piping, mechanical systems, fire sprinklers, wastewater treatment, excavation safety, boilers, hydronic heating, pipe layouts, and plumbing mathematics. A large reference library can be difficult to manage without advance preparation.

This highlighted and tabbed book package is designed to make the required materials easier to organize and navigate. Highlighting draws attention to important provisions, while tabs help divide the books into recognizable sections. Instead of beginning the study process with an unorganized stack of references, candidates receive materials prepared for more efficient review and open-book practice.

Highlighted and tabbed books do not replace studying or technical experience. Their value comes from supporting a better study routine. Candidates can become familiar with the placement of major chapters, definitions, tables, formulas, installation requirements, safety provisions, and trade subjects before exam day. Repeated practice with the prepared books can help candidates develop a faster and more deliberate reference-navigation process.

The package is appropriate for Arizona plumbing professionals, experienced tradespeople, supervisors, qualifying parties, and business owners preparing for the R-37R residential plumbing classification. It can also support candidates who already understand the trade but need a structured reference set for studying the specific codes and technical resources connected with the examination.

What You Get

The package contains the references listed for the Arizona Plumbing, Residential Contractor examination, including the 2018 International Plumbing Code, 2018 International Fuel Gas Code, 2018 International Mechanical Code, applicable NFPA sprinkler standards, OSHA construction regulations, Arizona wastewater provisions, and supporting plumbing and mechanical trade books.

Each reference serves a different purpose. The international codes address core plumbing, fuel gas, and mechanical requirements. The NFPA standards cover sprinkler installations for different residential applications. OSHA regulations address construction-site safety, while the Arizona materials focus on wastewater and underground utility-location practices. The mathematics, pipe-trade, boiler, and hydronic heating books support technical calculations and specialized trade knowledge.

Exam Details

The Arizona Registrar of Contractors regulates contractor licensing in the state. PSI administers Arizona’s trade-specific contractor examinations. A person applying as the qualifying party for an R-37R license may be required to satisfy the applicable trade examination and experience requirements as part of the licensing process.

The Arizona Plumbing, Residential Contractor trade examination contains 100 questions. Candidates receive 240 minutes to complete the examination, and a score of at least 70 percent is required to pass.

The examination content includes drainage, waste and vent systems; indirect waste; water supply systems; backflow prevention; roof drains and storm drainage; plumbing fixtures; water heaters; accessibility; general regulations; specialty plumbing; interceptors and traps; isometric analysis; fuel gas; septic and sewer systems; fire sprinklers; and excavation.

Exam questions may require a candidate to interpret code provisions, identify the correct material or installation method, use a sizing table, apply a formula, evaluate a piping arrangement, or determine which standard governs a specific situation. Practical trade knowledge remains important because some questions may be based on accepted industry practices in addition to the published references.

Candidates should be prepared to recognize the subject of a question before opening a book. A drainage sizing question will usually lead to the plumbing code, while a fuel gas sizing problem belongs in the fuel gas code. Residential sprinkler questions may require NFPA 13D or NFPA 13R, depending on the occupancy and system described. Excavation safety questions may involve OSHA, while hydronic heating and boiler questions require the specialized technical references.

Open Book Test

The Arizona R-37R trade examination is an open-book test. Candidates may use approved reference materials during the examination, subject to the current rules established by PSI. Open-book testing rewards candidates who understand the trade and know how to navigate their books efficiently.

Because the exam library includes numerous codes and technical publications, searching without a clear method can consume valuable testing time. Highlighting and tabs help create recognizable visual landmarks within the books. They can guide a candidate toward major chapters, important tables, definitions, formulas, and frequently used requirements.

Good open-book preparation should include repeated practice with the actual books. Candidates should learn how each reference is organized, which topics it covers, how the index describes common subjects, and where major tables or diagrams appear. The goal is not simply to know that an answer exists somewhere in the library. The goal is to determine which book contains it and locate the relevant provision efficiently.

Candidates should review the current PSI candidate bulletin before reporting for the examination. Testing rules may regulate how references are bound, tabbed, highlighted, marked, or otherwise prepared. Only materials accepted under the current testing rules should be taken into the examination.

Licensing Steps

The first step is to review the Arizona Registrar of Contractors’ license classifications and determine whether the R-37R residential plumbing classification matches the work the business plans to perform. The residential classification should not automatically be treated as authorization for commercial plumbing or work outside its defined scope.

The license applicant must identify a qualifying party. The qualifying party is the person who meets the applicable knowledge, experience, and examination requirements for the requested classification and maintains the required relationship with the licensed business.

The qualifying party must complete the required trade examination unless the Arizona Registrar of Contractors approves an applicable waiver. New license applicants may also be required to complete the Arizona Statutes and Rules course and examination. This requirement is separate from the R-37R plumbing trade examination.

The applicant must complete the required background checks and organize the documentation requested for the selected business structure. Arizona licenses may be issued to entities such as sole proprietorships, partnerships, limited liability companies, and corporations. The information provided in the application should match the business’s legal records.

A contractor bond must be obtained in the amount and form required for the applicant’s license type and circumstances. The applicant must then submit the completed license application, qualifying-party information, examination results, background-check documentation, bond, entity records, and other required supporting materials to the Arizona Registrar of Contractors.

The agency reviews the application before issuing a license. Missing, inconsistent, or incomplete information may delay the review. Applicants should use the current application forms and instructions available from the Arizona Registrar of Contractors.

State Requirements

Arizona contractor licenses are issued by the Arizona Registrar of Contractors. Applicants must meet the requirements associated with the requested classification, including the qualifying-party requirements, examinations or approved waivers, experience documentation, background checks, contractor bond, business records, and completed application materials.

The R-37R classification applies to residential plumbing contracting within the scope established by Arizona’s classification rules. Candidates should understand the difference between residential, commercial, and dual classifications when selecting a license. The correct classification depends on the type of structures, projects, and plumbing work the business intends to perform.

Experience submitted for the qualifying party should be relevant to the requested plumbing classification. Applicants should maintain clear records describing their employment, responsibilities, projects, supervision, and hands-on trade experience. The Arizona Registrar of Contractors determines whether the submitted experience satisfies the applicable requirements.

The names and details shown on the application, business formation documents, identification records, bond, background-check reports, and qualifying-party forms should be consistent. Applicants should also monitor expiration periods that may apply to examination results or supporting documents during the application process.

Reference Books

Please allow up to 15 business days for tabbed and highlighted book package orders

• Included Book: Code of Federal Regulations – 29 CFR Part 1926 (OSHA)
  Covers federal construction-safety requirements involving personal protective equipment, excavations, ladders, scaffolds, fall protection, electrical hazards, material handling, and other jobsite conditions.
• Included Book: International Fuel Gas Code, 2018
  Addresses fuel gas piping, system sizing, appliance connections, regulators, shutoff valves, combustion air, venting, testing, and installation requirements.
• Included Book: International Mechanical Code, 2018
  Provides requirements for mechanical equipment, ventilation, exhaust, combustion air, hydronic systems, appliances, and related mechanical installations.
• Included Book: International Plumbing Code, 2018
  Covers fixtures, water supply, sanitary drainage, vents, traps, storm drainage, indirect waste, water heaters, materials, inspections, and plumbing-system testing.
• Included Book: NFPA 13: Installation of Sprinkler Systems, 2019
  Provides requirements for automatic sprinkler systems, including system components, sprinkler placement, piping, water supplies, inspection, testing, and acceptance.
• Included Book: NFPA 13D: Installation of Sprinkler Systems in One- and Two-Family Dwellings and Manufactured Homes, 2019
  Addresses sprinkler systems designed for one- and two-family dwellings and manufactured homes.
• Included Book: NFPA 13R: Sprinkler Systems for Residential Occupancies up to and Including Four Stories in Height, 2019
  Covers sprinkler-system requirements for qualifying low-rise residential occupancies, including system design, installation, water supplies, and components.
• Included Book: On-site Wastewater Treatment Facility Provisions in Unified Water Quality Permit Rule, Arizona Administrative Code Title 18, Chapter 9, 2006
  Contains Arizona regulatory provisions affecting onsite wastewater treatment facilities and related wastewater-disposal requirements.
• Included Book: Mathematics for Plumbers and Pipefitters, 8th Edition
  Supports trade calculations involving measurements, conversions, areas, volumes, offsets, angles, slopes, pressure, capacity, and piping applications.
• Included Book: IPT’s Pipe Trades Handbook, Robert A. Lee, 2016
  Provides formulas, tables, fitting information, measurements, layout guidance, material data, and practical reference information for plumbers and pipefitters.
• Included Book: Boiler Operator’s Guide, 5th Edition
  Explains boiler components, controls, combustion, operation, maintenance, water treatment, safety, and troubleshooting principles.
• Included Book: Arizona 811 – Arizona Blue Stake Brochure
  Provides Arizona utility-location and safe-digging guidance intended to prevent damage to underground facilities during excavation work.
• Included Book: Modern Hydronic Heating for Residential and Light Commercial Buildings, John Siegenthaler, P.E., 2022
  Covers hydronic heating design, boilers, piping arrangements, heat emitters, circulators, controls, zoning, radiant systems, and system performance.

Test Information and Study Materials

Begin studying by dividing the references into subject groups. Place the International Plumbing Code at the center of drainage, venting, water supply, fixtures, traps, storm drainage, and water-heater review. Use the International Fuel Gas Code for gas piping, appliances, combustion air, and venting. Use the International Mechanical Code for mechanical and hydronic system requirements.

Review the differences among NFPA 13, NFPA 13D, and NFPA 13R. Each standard applies to different sprinkler-system circumstances. Candidates should practice identifying the occupancy and system described in a question before selecting the applicable NFPA book.

Practice drainage and vent calculations, water-pipe sizing, fuel gas sizing, slopes, offsets, areas, volumes, pressure relationships, and isometric interpretation. Mathematics questions are easier to manage when the candidate understands the formula and has practiced finding supporting tables.

Use timed practice sessions with the highlighted and tabbed books. Record how long it takes to locate answers, which index terms work best, and which references remain difficult to navigate. Revisit those books until their organization becomes familiar.

Do not depend exclusively on highlighting. Read the surrounding sections so that each highlighted provision is understood in context. Definitions, exceptions, notes, footnotes, table headings, and related sections may affect the correct answer.

How 1 Exam Prep Helps You Reach Your Goal

1 Exam Prep helps candidates build an organized approach to the Arizona R-37R examination. The highlighted and tabbed package reduces the time required to prepare a large technical library and gives students a clearer starting point for open-book study.

The prepared references support trade-focused review across plumbing, fuel gas, mechanical systems, fire sprinklers, wastewater, excavation safety, hydronic heating, boilers, mathematics, and pipe-trade subjects. Candidates can use the books to follow a structured study plan, review important material, and practice applying code provisions to exam-style questions.

Reference navigation is a major part of the preparation process. Tabs help candidates recognize major sections, while highlighting makes selected information easier to identify during review. Continued practice can improve familiarity with chapter layouts, index terminology, tables, formulas, and technical diagrams.

1 Exam Prep also supports a practical, confidence-building study routine. Candidates can identify weak subjects, repeat difficult calculations, improve time management, and become more comfortable working with the complete reference set. The objective is to arrive at the examination with an organized library and a clear method for using it.

Frequently Asked Questions

What is included in this highlighted and tabbed book package?

The package includes the listed OSHA regulations, international codes, NFPA sprinkler standards, Arizona wastewater provisions, plumbing mathematics book, pipe-trade handbook, boiler guide, Arizona 811 brochure, and hydronic heating reference.

Are the books highlighted and tabbed?

Yes. The books in this package are prepared with highlighting and tabs to support organized study and more efficient reference navigation.

Is the Arizona R-37R examination open book?

Yes. The R-37R trade examination is open book, subject to PSI’s current rules regarding approved references and book preparation.

Does this package include an exam-preparation course?

This product is a highlighted and tabbed book package. Only the books and preparation described on this product page are included.

How many questions are on the R-37R exam?

The examination contains 100 questions.

How much time is allowed?

Candidates receive 240 minutes to complete the examination.

What is the passing score?

A minimum score of 70 percent is required to pass.

Why does the package contain three NFPA sprinkler standards?

NFPA 13, NFPA 13D, and NFPA 13R address different sprinkler-system applications and residential occupancy conditions. Candidates must be able to identify which standard applies to the situation described in a question.

Do highlighted books eliminate the need to study?

No. Highlighting and tabs support navigation, but candidates still need to understand plumbing principles, code requirements, calculations, system layouts, and practical trade applications.

Should I practice with the books before exam day?

Yes. Regular practice helps candidates learn the organization of each book, recognize useful index terms, locate important tables, and determine which reference applies to a question.

Does passing the exam automatically grant an Arizona contractor license?

No. Passing the trade examination is one part of the licensing process. The applicant must also meet the Arizona Registrar of Contractors’ qualifying-party, experience, statutes and rules, background-check, bonding, application, and documentation requirements.

Can I take every included book into the testing room?

Reference materials must comply with PSI’s current examination rules. Candidates should review the latest candidate bulletin before testing to confirm which materials and book-preparation methods are permitted.