Arizona Plumbing, Residential Contractor (R-37R) Books Allowed into Exam Package

Prepare for the Arizona Plumbing, Residential Contractor (R-37R) examination with a complete package of the listed reference books allowed into the exam room. This collection brings together the plumbing, fuel gas, mechanical, fire sprinkler, construction safety, and Arizona wastewater materials associated with the residential plumbing contractor examination.

The Arizona R-37R exam covers a wide range of residential plumbing subjects. Candidates may need to answer questions involving water distribution, drainage, waste and vent systems, plumbing fixtures, water heaters, fuel gas piping, mechanical installations, fire sprinkler systems, onsite wastewater treatment, excavation, and construction safety. A well-organized reference library is an important part of preparing for this open-book examination.

This package is intended for experienced plumbers, qualifying parties, supervisors, business owners, and other trade professionals pursuing the Arizona residential plumbing contractor classification. It provides the core references identified for exam-room use in one convenient package, allowing candidates to study with the same editions they plan to use during the test.

Working with the actual books before exam day helps candidates learn how each publication is organized. Tables of contents, indexes, definitions, chapter headings, technical tables, diagrams, exceptions, and appendices all play an important role in open-book navigation. The more familiar candidates become with their reference library, the easier it may be to determine where an answer is likely to be located.

The package contains eight references. The International Plumbing Code supports many of the primary plumbing subjects, while the International Fuel Gas Code and International Mechanical Code address related fuel gas and mechanical systems. Three NFPA standards cover different sprinkler-system applications. OSHA regulations support construction-safety preparation, and the Arizona Administrative Code reference addresses onsite wastewater treatment provisions.

What You Get

This product is a book package. It includes the references listed on this page and does not include an online course, application service, book rental, refundable deposit, or additional study products unless they are specifically added to the order.

Exam Details

The Arizona Plumbing, Residential Contractor (R-37R) trade examination evaluates knowledge associated with residential plumbing work and related systems. The exam may require candidates to apply code provisions, interpret technical requirements, use tables, recognize installation methods, and identify safe construction practices.

Plumbing subjects can include drainage, waste and vent systems, water distribution, backflow prevention, plumbing fixtures, traps, interceptors, water heaters, storm drainage, indirect waste, materials, testing, and general installation requirements. Candidates may also need to interpret piping layouts and determine how code provisions apply to residential conditions.

Fuel gas questions may involve pipe sizing, appliance connections, shutoff valves, regulators, combustion air, venting, testing, and installation requirements. Mechanical questions may involve ventilation, exhaust systems, equipment, combustion air, appliances, and related mechanical installations.

Fire sprinkler preparation requires candidates to understand the different applications of NFPA 13, NFPA 13D, and NFPA 13R. Each standard addresses a different type of sprinkler-system application or occupancy condition. Identifying the correct standard is an important first step when answering a sprinkler question.

Construction-safety questions may come from 29 CFR Part 1926. Candidates should be prepared to review excavation, ladders, scaffolds, personal protective equipment, fall protection, electrical hazards, material handling, and other jobsite requirements.

The Arizona onsite wastewater reference supports questions involving state provisions for onsite wastewater treatment facilities. Candidates should become familiar with the terminology, organization, and regulatory structure used in this publication.

Questions may ask a candidate to identify the correct code section, choose an approved material, apply a sizing table, interpret a definition, recognize an unsafe condition, or determine which standard governs the situation described. Preparation should therefore combine trade knowledge with reference-book navigation.

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 testing provider’s rules for permitted books and book preparation.

Open-book testing does not eliminate the need to study. The exam library includes multiple detailed codes and technical standards, and searching every book for every answer can consume valuable time. Candidates should learn the purpose of each reference before attempting timed practice.

A practical navigation process begins by identifying the subject of the question. A sanitary drainage question will usually lead to the International Plumbing Code. A fuel gas sizing question will likely require the International Fuel Gas Code. A mechanical ventilation question may belong in the International Mechanical Code, while a residential sprinkler question may require NFPA 13D or NFPA 13R.

After selecting the book, candidates should use the table of contents or index to locate the most relevant chapter or term. Reading the surrounding section is important because exceptions, notes, definitions, and table headings may change how a requirement applies.

Regular practice with the actual exam books can help candidates recognize chapter layouts and useful index terms. Candidates should also practice using tables, diagrams, cross-references, and appendices rather than relying only on highlighted passages or memorized page numbers.

Before testing, review the current examination bulletin for rules concerning binding, tabs, highlighting, handwritten notes, loose papers, inserts, and other book modifications. Only references and preparation methods permitted under the current exam rules should be used in the testing room.

Licensing Steps

Begin by confirming that the R-37R residential plumbing classification matches the work the applicant or business plans to perform. Arizona offers residential, commercial, and dual contractor classifications, and the selected classification should correspond with the intended scope of work.

Identify the qualifying party for the contractor license. The qualifying party is the individual responsible for meeting the applicable experience, knowledge, and examination requirements connected with the requested classification.

Complete the required R-37R trade examination unless an authorized waiver applies. A separate Arizona statutes and rules requirement may also apply as part of the contractor licensing process.

Complete the required background-check process and gather the documents associated with the selected business structure. Arizona contractor licenses may be issued to eligible business entities such as sole proprietorships, partnerships, limited liability companies, and corporations.

Obtain the required contractor bond and prepare the supporting application records. These may include identification, business formation documents, qualifying-party information, examination results, experience documentation, background-check records, bond information, and signed application forms.

Submit the completed application to the Arizona Registrar of Contractors. The agency reviews the materials and determines whether the applicant has met the requirements for the requested license classification.

Passing the trade exam does not automatically issue a contractor license. The applicant must complete the full licensing process and receive approval before performing work that requires the license.

State Requirements

Arizona contractor licensing is administered by the Arizona Registrar of Contractors. Applicants must satisfy the requirements associated with the requested classification, qualifying party, examinations or authorized waivers, experience, background checks, contractor bonding, business records, and application documentation.

The R-37R classification applies to residential plumbing contracting within the scope assigned to that classification. Candidates should not assume that a residential classification automatically authorizes commercial plumbing work or activities outside the defined scope.

The qualifying party should have experience related to the work covered by the requested license. Applicants should maintain records describing employment, project responsibilities, supervisory duties, and hands-on plumbing experience.

Business names, ownership information, and qualifying-party details should remain consistent across formation documents, identification, background-check records, bond paperwork, and the contractor license application. Inconsistent information may lead to requests for corrections or additional documentation.

Applicants should use the current forms and instructions issued for their application cycle. Examination procedures, administrative forms, and licensing requirements may be updated.

Reference Books

• Included Book: Code of Federal Regulations - 29 CFR Part 1926 (OSHA)
  Covers federal construction-safety requirements involving excavation, ladders, scaffolds, personal protective equipment, fall protection, electrical hazards, material handling, and general jobsite practices.
• 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 systems, combustion air, appliances, and related mechanical installations.
• Included Book: International Plumbing Code, 2018
  Covers plumbing fixtures, water distribution, sanitary drainage, vents, traps, storm drainage, indirect waste, water heaters, materials, inspections, and testing.
• Included Book: NFPA 13: Installation of Sprinkler Systems, 2019
  Provides requirements for automatic sprinkler systems, including system components, piping, installation, water supplies, inspection, and testing.
• Included Book: NFPA 13D - Installation of Sprinkler Systems in One- and Two-Family Dwellings and Manufactured Homes, 2019
  Addresses sprinkler systems installed in 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 qualifying residential sprinkler systems, including system components, installation, design considerations, and water-supply provisions.
• Included Book: On-site Wastewater Treatment Facility Provisions in Unified Water Quality Permit Rule, Arizona Administrative Code Title 18, Chapter 9, 2006
  Contains Arizona provisions related to onsite wastewater treatment facilities and associated wastewater-disposal requirements.

Exam Room Approved Books

The following books are included in this package as the listed references allowed into the Arizona R-37R examination:

• Code of Federal Regulations - 29 CFR Part 1926 (OSHA)
  Use this reference for construction safety, excavation, protective equipment, ladders, scaffolds, electrical hazards, and related jobsite requirements.
• International Fuel Gas Code, 2018
  Use this code for fuel gas piping, system sizing, appliance connections, regulators, combustion air, venting, testing, and installation requirements.
• International Mechanical Code, 2018
  Use this code for mechanical systems, ventilation, exhaust, combustion air, appliances, and related installations.
• International Plumbing Code, 2018
  Use this code for water supply, drainage, vents, fixtures, traps, storm drainage, water heaters, materials, inspections, and testing.
• NFPA 13: Installation of Sprinkler Systems, 2019
  Use this standard for automatic sprinkler-system requirements, components, installation, piping, water supplies, inspection, and testing.
• NFPA 13D - Installation of Sprinkler Systems in One- and Two-Family Dwellings and Manufactured Homes, 2019
  Use this standard for sprinkler systems serving one- and two-family dwellings and manufactured homes.
• NFPA 13R - Sprinkler Systems for Residential Occupancies up to and Including Four Stories in Height, 2019
  Use this standard for qualifying sprinkler systems in residential occupancies covered by NFPA 13R.
• On-site Wastewater Treatment Facility Provisions in Unified Water Quality Permit Rule, Arizona Administrative Code Title 18, Chapter 9, 2006
  Use this publication for Arizona-specific onsite wastewater treatment provisions.

Test Information and Study Materials

Begin preparation by assigning each major exam subject to the appropriate book. This prevents unnecessary searching and helps build a consistent navigation method.

Use the International Plumbing Code for water distribution, drainage, waste and vent systems, plumbing fixtures, traps, water heaters, storm drainage, indirect waste, materials, inspections, and testing. Practice finding sizing tables, definitions, and installation requirements.

Use the International Fuel Gas Code for gas piping, system demand, sizing, appliance connections, shutoff valves, regulators, combustion air, venting, and testing. Become familiar with the arrangement of the chapters and technical tables.

Use the International Mechanical Code for ventilation, exhaust, mechanical equipment, appliances, combustion air, and related systems. Practice recognizing when a question belongs in the mechanical code rather than the plumbing or fuel gas code.

Review the scope and purpose of NFPA 13, NFPA 13D, and NFPA 13R. Candidates should identify the occupancy or system described in the question before selecting a sprinkler standard.

Study OSHA requirements involving excavation, ladders, scaffolds, personal protective equipment, fall protection, electrical safety, and jobsite hazards. Review the Arizona wastewater publication separately so its terminology and organization become familiar.

Complete timed navigation sessions using all eight books. Select questions from different subjects and record how long it takes to identify the correct reference and locate the supporting section. Revisit the subjects that consistently take the longest.

How 1 Exam Prep Helps You Reach Your Goal

1 Exam Prep helps candidates build an organized approach to the Arizona R-37R examination by providing the listed exam-room books in one complete package.

Studying with the actual references supports trade-focused review across plumbing, fuel gas, mechanical systems, fire sprinklers, construction safety, excavation, and Arizona onsite wastewater provisions. Candidates can connect each subject with the correct publication and develop a clearer study sequence.

Reference navigation is an essential part of open-book preparation. Candidates can practice using tables of contents, indexes, chapter headings, definitions, technical tables, diagrams, exceptions, and cross-references. Familiarity with these features can reduce unnecessary searching during practice.

The package also eliminates the need to locate each listed edition separately. Candidates receive a coordinated reference set that can be used for code study, exam-question practice, and timed book-navigation exercises.

1 Exam Prep promotes a practical preparation method based on organization, repetition, and trade understanding. The goal is to help candidates approach the examination with a familiar reference library, stronger navigation habits, and greater confidence in their study process.

Frequently Asked Questions

What is included in this Arizona R-37R book package?

The package includes the eight OSHA, international code, NFPA, and Arizona wastewater references listed on this page.

Are these books allowed into the exam room?

Yes. The books listed in the Exam Room Approved Books section are identified for this package as the references allowed into the Arizona R-37R examination.

Is the Arizona R-37R examination open book?

Yes. The Arizona R-37R trade examination is open book, subject to the current testing rules for approved references and permitted book preparation.

Does this package include an online course?

No. This product includes the listed exam books only. Course access is not included unless purchased separately.

Are the books rentals?

No. This product is an exam book package and is not described as a rental package.

Why are three NFPA sprinkler standards included?

NFPA 13, NFPA 13D, and NFPA 13R apply to different sprinkler-system applications and residential occupancy conditions. Candidates should understand when each standard applies.

Should I study with the books before exam day?

Yes. Regular practice helps candidates learn the structure of each publication, recognize useful index terms, locate technical tables, and identify the correct reference more efficiently.

Can I mark or tab the books?

Book preparation must follow the current testing provider’s rules. Review the latest candidate bulletin before adding tabs, highlights, notes, or other markings.

Do these books replace trade experience?

No. The references support code study and open-book navigation, but candidates still need the plumbing knowledge and practical understanding required to interpret and apply the material.

Does passing the examination automatically provide a contractor license?

No. Passing the trade examination is one part of the licensing process. Applicants must also satisfy the applicable qualifying-party, experience, background-check, bonding, business, and application requirements.

Does purchasing the package guarantee a passing score?

No. The package provides the listed references for preparation and exam use, but results depend on the candidate’s knowledge, study habits, navigation skills, and examination performance.