ICC Master Plumber - G24-N Exam Book Package

The ICC Master Plumber - G24-N Exam Book Package is designed for candidates preparing for the ICC National Standard Master Plumber exam using the International Plumbing Code, 2018. This book package supports focused study for master-level plumbing code topics, including administration, general regulations, plumbing fixtures, water heaters, water supply and distribution, sanitary drainage, vents, traps, interceptors, separators, storm drainage, and plan reading.

Master plumber exam preparation requires more than field experience. A plumbing professional may understand rough-in work, fixture installation, drainage, venting, water distribution, water heaters, pipe materials, inspections, and jobsite coordination, but an ICC trade exam requires candidates to apply that knowledge through code-based questions. Candidates must be able to read each question carefully, locate the correct section in the code book, and apply the requirement accurately under timed exam conditions.

The International Plumbing Code, 2018 is the core reference for this package. It supports study of plumbing system design, installation, inspection, fixture requirements, pipe sizing concepts, water distribution, sanitary drainage, venting, indirect waste, traps, interceptors, separators, storm drainage, and code administration. Candidates preparing for the G24-N exam should become comfortable using the table of contents, index, definitions, tables, and major plumbing chapters inside the IPC.

This package is useful for master plumber candidates, plumbing contractors, qualifying individuals, plumbing supervisors, service technicians, maintenance professionals, and trade professionals who need to strengthen their understanding of 2018 IPC-based plumbing requirements. It is also useful for candidates who have practical plumbing experience but need to improve reference navigation, code interpretation, and open-book exam pacing.

What You Get

• International Plumbing Code, 2018 — A plumbing code reference used to study administration, general plumbing regulations, fixtures, water heaters, water supply and distribution, sanitary drainage, vents, traps, interceptors, separators, storm drainage, plan reading support, installation requirements, inspections, and plumbing system safety provisions.

This book package gives candidates the primary reference needed to study for the ICC Master Plumber - G24-N exam. The IPC helps candidates understand how plumbing requirements are organized and how code provisions apply to common field conditions. Candidates can use the book to practice locating requirements for fixture installation, drainage pipe sizing, venting, water distribution, cleanouts, traps, indirect waste, water heaters, storm drainage, and other plumbing system topics.

Exam Details

The ICC Master Plumber - G24-N exam is part of the ICC Contractor/Trades examination program. The National Standard Master Plumber exam is listed as an open-book exam with 100 multiple-choice questions and a 4-hour time limit. Candidates preparing for this exam should focus on both master-level plumbing knowledge and efficient use of the International Plumbing Code, 2018.

The exam content includes administration and general regulations, plumbing fixtures, water heaters, water supply and distribution, sanitary drainage, plumbing vent requirements, traps, interceptors and separators, storm drainage, and plan reading. These categories reflect the broad working knowledge expected from master plumber candidates who install, supervise, service, repair, inspect, or support plumbing systems.

Administration and general regulations may include code scope, definitions, permits, inspections, approved materials, system testing, installation requirements, protection of piping, construction documents, and general plumbing responsibilities. Candidates should understand how the IPC is organized and how general provisions apply before moving into system-specific chapters.

Plumbing fixture questions may involve fixture types, fixture clearances, installation requirements, fixture connections, water closets, lavatories, sinks, bathtubs, showers, drinking fountains, service sinks, floor drains, and related code provisions. Candidates should be comfortable locating fixture tables and understanding how fixture requirements connect to drainage, venting, and water supply.

Water heater topics may include installation requirements, safety devices, temperature and pressure relief valves, discharge piping, access, location, connections, energy-related provisions, and related code requirements. Water heaters are a common plumbing system component, and master plumber candidates should understand both installation details and safety-related requirements.

Water supply and distribution questions may involve water service piping, distribution piping, pipe materials, valves, fixture supply, backflow prevention, protection against contamination, hot water distribution, pressure-related requirements, pipe sizing concepts, and installation requirements. Candidates should practice using IPC tables and locating water distribution rules quickly and accurately.

Sanitary drainage and plumbing vents are major study areas for the G24-N exam. Sanitary drainage topics may include fixture units, drainage pipe sizing, slope, cleanouts, fittings, building drains, building sewers, indirect waste, branch drains, stacks, offsets, and waste piping. Venting topics may include trap arms, individual vents, common vents, wet vents, circuit vents, vent sizing, vent terminals, developed length, and system protection.

Traps, interceptors, and separators may include trap seal requirements, prohibited traps, trap protection, grease interceptors, oil separators, solids interceptors, cleanouts, access requirements, and related installation responsibilities. Storm drainage may include roof drainage, storm piping, secondary drainage, leaders, conductors, horizontal storm piping, and related drainage provisions. Plan reading may require candidates to interpret plumbing drawings, identify symbols, understand fixture layouts, and connect plan information to code requirements.

The G24-N exam may be accepted differently by different licensing authorities. A city, county, state, municipality, or local agency may determine whether this exam is required for a specific master plumber license classification. Passing an ICC exam does not automatically create a license unless the applicable authority recognizes the exam as part of its licensing process.

Open Book Test

The ICC Master Plumber - G24-N exam is an open-book test. Open-book testing allows candidates to use approved references during the exam, but it does not remove the need for focused preparation. Candidates must know how to navigate the International Plumbing Code, 2018 efficiently, identify the topic being tested, and locate the correct requirement without losing time.

Open-book plumbing exams reward candidates who understand code organization. Candidates should become familiar with the table of contents, index, definitions, chapter layout, fixture tables, water distribution provisions, drainage tables, venting sections, trap requirements, storm drainage provisions, and plan reading concepts. The goal is not simply to bring the book into the exam room. The goal is to know how to use the book quickly and accurately.

Because the exam has 100 questions and a 4-hour time limit, pacing matters. Candidates should practice answering questions under timed conditions. A strong open-book strategy includes identifying the topic first, using the index when needed, moving quickly to familiar chapters, reading the section carefully, and avoiding too much time on a single difficult question. Marking difficult questions and returning to them later can help protect exam pacing.

Master-level open-book preparation should include repeated practice with tables, definitions, and system-specific provisions. Plumbing questions often require candidates to connect more than one topic. A question may involve fixture units, drainage sizing, venting limits, trap requirements, water heater safety, or storm drainage. Candidates should build the habit of reading the full question before choosing a section or table.

Exam-day reference rules may control which books are allowed, how books may be marked, whether tabs are permitted, whether notes are allowed, and what condition books must be in. Candidates should follow the current testing rules for the G24-N exam and the requirements of the jurisdiction connected to their license.

Licensing Steps

The ICC Master Plumber - G24-N exam may be used by a city, county, state, municipality, local board, or licensing authority as part of a master plumber qualification process. ICC administers contractor and trade exams, but licensing approval is controlled by the agency that issues or recognizes the license.

A typical licensing path may include identifying the correct plumbing license classification, confirming that the G24-N exam is required, reviewing the approved reference book, completing an application, receiving preauthorization when required, scheduling the exam, passing the exam, and submitting final licensing documents to the applicable authority. Depending on the jurisdiction, additional requirements may include work experience documentation, employer verification, contractor registration, responsible master plumber information, local registration, continuing education, insurance, bonding, or renewal compliance.

Candidates should begin by identifying the agency that controls plumbing licensing in the location where they plan to work. That agency determines the correct exam, accepted score, required documents, application process, fees, license scope, and renewal rules. This G24-N book package supports the study portion of the process. It does not replace licensing applications, agency approvals, insurance certificates, bonding documents, business filings, work experience records, or local registrations.

State Requirements

Master plumber requirements vary by state and local jurisdiction. Some states regulate plumbing licenses at the state level. Some areas use city, county, or municipal licensing. Other jurisdictions may require local registration, trade exams, business licensing, insurance, bonding, work experience verification, responsible master plumber designation, or a combination of requirements before plumbing work may be performed.

Candidates should review the requirements for the exact location where they plan to perform plumbing work. Important items may include the accepted ICC exam code, license classification, application approval, experience documentation, training requirements, business entity requirements, insurance, bonding, workers’ compensation requirements, local code adoption, permit rules, inspection requirements, continuing education, and renewal deadlines.

This package is focused on the ICC Master Plumber - G24-N book set and includes the International Plumbing Code, 2018. Candidates should make sure this reference and the G24-N exam match the requirements of the licensing authority before scheduling the exam.

Reference Books

• International Plumbing Code, 2018
  This plumbing code reference supports study of administration, general regulations, fixtures, water heaters, water supply and distribution, sanitary drainage, venting, traps, interceptors, separators, storm drainage, plan reading support, installation requirements, approved materials, inspections, pipe sizing concepts, and plumbing system safety provisions.

The International Plumbing Code is the central reference for G24-N preparation. Candidates should study both the layout of the book and the way requirements are written. Strong preparation includes learning where major plumbing topics are located, practicing section lookup, understanding common tables, and applying code language to plumbing scenarios.

Test Information and Study Materials

Master plumber preparation should be organized around the major exam categories and the way plumbing requirements are arranged in the International Plumbing Code. Candidates should study administration and general regulations, plumbing fixtures, water heaters, water supply and distribution, sanitary drainage, vents, traps, interceptors, separators, storm drainage, and plan reading. Random reading is less effective than a focused plan that connects each topic to the correct code chapter or table.

For administration and general regulations, candidates should review code scope, definitions, permits, inspections, construction documents, approved materials, system testing, protection of piping, and general installation rules. These topics help candidates understand the framework of the plumbing code and how plumbing work is evaluated for compliance.

For plumbing fixtures, candidates should review fixture requirements, clearances, connections, materials, public and private fixture provisions, fixture supply, fixture drainage, and related installation requirements. Candidates should practice locating fixture tables and understanding how fixture requirements connect to water supply, drainage, and venting.

For water heaters, candidates should study installation location, access, safety devices, relief valves, discharge piping, temperature control, connections, and related provisions. Water heater questions often involve safety requirements, so careful reading is important. Candidates should also understand how water heater installation connects to water distribution and system safety.

For water supply and distribution, candidates should review water service piping, distribution piping, pipe materials, valves, protection against contamination, backflow prevention, fixture supply, hot water distribution, pressure-related requirements, and sizing concepts. Candidates should become comfortable using tables and identifying where water supply rules are located.

For sanitary drainage, candidates should review fixture units, drainage pipe sizing, slope, cleanouts, building drains, building sewers, fittings, indirect waste, branch drains, stacks, offsets, and drainage system arrangement. Sanitary drainage questions often require candidates to apply a table or read a section carefully before selecting an answer.

For vents, candidates should study trap arms, vent connections, vent sizing, individual vents, common vents, wet vents, circuit vents, branch vents, vent stacks, stack vents, vent terminals, and developed length. Venting is one of the most important study areas because small wording differences can change the correct answer.

For traps, interceptors, and separators, candidates should review trap seal requirements, prohibited traps, trap protection, grease interceptors, oil separators, solids interceptors, access requirements, and maintenance-related provisions. These topics often require candidates to understand both the purpose of the component and the code requirement controlling its installation.

For storm drainage, candidates should review roof drainage, secondary drainage, leaders, conductors, horizontal storm piping, storm building drains, sizing concepts, and related provisions. For plan reading, candidates should practice interpreting plumbing layouts, identifying fixtures, reviewing pipe routing, recognizing symbols, and connecting drawing information to code requirements.

Master-level candidates should also practice system coordination. Plumbing systems rarely exist as isolated topics. A single question may require an understanding of fixture units, drainage pipe sizing, cleanouts, venting, trap protection, and water supply. Building a study routine around complete plumbing systems can help candidates become more confident applying the IPC.

A strong study routine should include timed reference practice. Candidates should practice looking up plumbing terms, locating fixture provisions, reviewing drainage and venting tables, finding water supply requirements, studying water heater rules, and answering questions using the IPC. Open-book exam success depends on more than knowing plumbing work. It depends on using the reference efficiently, reading questions carefully, and applying the correct code requirement.

How 1 Exam Prep Helps You Reach Your Goal

1 Exam Prep helps master plumber candidates prepare with structure, focus, and practical study direction. Plumbing exams require candidates to understand field work, code language, reference navigation, and system-specific requirements. Many candidates have plumbing experience but need help turning that experience into an exam-ready study plan. 1 Exam Prep supports that process through organized study guidance, trade-focused review, practice-oriented preparation, reference navigation, and confidence-building study structure.

For the ICC Master Plumber - G24-N exam, candidates need to understand how the International Plumbing Code applies to plumbing work. 1 Exam Prep helps students focus on major areas such as administration and general regulations, plumbing fixtures, water heaters, water supply and distribution, sanitary drainage, plumbing vents, traps, interceptors, separators, storm drainage, and plan reading.

Reference navigation is especially important for an open-book plumbing exam. Candidates need to know where major IPC topics are located and how to move through the code efficiently. A candidate who can quickly identify the correct chapter, section, table, or definition has a stronger exam-day advantage. 1 Exam Prep encourages practical study habits that help candidates become more comfortable using their reference, interpreting questions, and applying plumbing code requirements.

This book package gives candidates the foundation needed for G24-N preparation. With the International Plumbing Code, 2018, students can study the major master plumbing code areas and build stronger familiarity with the material used during exam preparation. 1 Exam Prep helps candidates move toward their plumbing licensing goals with organized review, realistic preparation, and better reference-use habits.

FAQ Section

What book is included in the ICC Master Plumber - G24-N Book Package?

This package includes the International Plumbing Code, 2018.

Is the ICC Master Plumber - G24-N exam open book?

Yes. The National Standard Master Plumber exam is listed as an open-book test. Candidates should follow current testing rules for approved references, tabs, markings, notes, and book condition.

How many questions are on the G24-N Master Plumber exam?

The National Standard Master Plumber exam is listed with 100 multiple-choice questions.

How much time is allowed for the G24-N exam?

The exam is listed with a 4-hour time limit.

What topics should I study for the G24-N exam?

Important study areas include administration and general regulations, plumbing fixtures, water heaters, water supply and distribution, sanitary drainage, plumbing vent requirements, traps, interceptors and separators, storm drainage, and plan reading.

Does this book package include an online course?

This product is a book package. It includes the listed reference book and does not include online course access unless a separate course product is purchased.

Does passing the ICC G24-N exam automatically give me a plumbing license?

No. Licensing is controlled by the applicable state, city, county, municipality, board, or local authority. The exam may be one part of the licensing process, depending on the jurisdiction.

Who should use this book package?

This package is useful for master plumber candidates, plumbing contractors, qualifying individuals, plumbing supervisors, service technicians, maintenance professionals, and trade professionals preparing for the ICC Master Plumber - G24-N exam.

How should I study with the International Plumbing Code?

Study by topic, practice locating requirements in the code book, review major plumbing chapters and tables, and use timed practice to improve lookup speed and exam pacing.

Can this book help with drainage and venting study?

Yes. The International Plumbing Code, 2018 supports study of sanitary drainage, venting, traps, cleanouts, fixture units, pipe sizing concepts, and related plumbing system requirements.