Pass ICC G25 National Standard Journeyman Plumber Exam

Learn how to become an ICC G25 Journeyman Plumber (Online and self-paced)

If your state, county, or city licensing agency requires you to pass the ICC G25 Journeyman Plumber Exam, complete our online exam preparation course, then schedule your G25 exam through Pearson|VUE.



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Pass the ICC G25 Journeyman Plumber Exam

Refresh your 2018 IPC Code knowledge, successfully pass your ICC G25 Journeyman Plumber Exam. Preparing for your ICC G25 exam has never been easier! You will pass the ICC G25 exam. We guarantee it!

Your Blueprint for Success. Pass the ICC G25 Exam, Guaranteed!

Refresh your 2018 IPC code knowledge. Successfully prepare for your ICC G25 certification exam without leaving the comfort of your home or office. Our ICC G25 National Standard Journeyman Plumber exam preparation course is your best, most affordable path to success!

Pass your ICC G25 Journeyman Plumber exam. Our 100% money-back guarantee backs this course. We provide the study materials (excluding codebooks) required to PASS THE ICC G25 EXAM. 

How To Use Our Online Study Center

STUDY our “Navigating the 2018 IPCA Code Primer – This eManual will familiarize you with the code’s structure within the 15 chapters of the 2018 IPC. International Plumbing Code.

PRACTICE answering realistic exam questions using the methods explained in our “Navigating the 2018 IPC”. Over 900 code-specific practice questions and answers and unlimited full-length, timed final exams.

The course includes:

  • eManual (Navigating the 2018 IPC. A Code Primer)
  • Printable Worksheets (Companion to 2018 IPC eManual)
  • Online Practice Questions (Practice looking up answers in your codebook, take full length simulated exams)

eManual – NAVIGATING THE 2018 IPC: A Code Primer:

Our “NAVIGATING THE 2018 IPC” eManual helps students review the (IPC) International Plumbing Code.
When you master the code, you master your Exam!

This eManual is the starting point for the TLC Certification Training Program. It will familiarize you with the use, layout, and content of chapters 1 through 15 of the 2018 IPC.

eManual includes:

  • The purpose and layout of the code
  • How to navigate the IPC
  • Codebook navigation exercises, speed drills
  • Using the Table of Contents
  • Breaking down questions by subject (Chapters 1-15)
    • Keyword Identification, how to Identify the subject of a question for easy reference.
    • How to search for a code article by referencing the INDEX
    • Code reference example questions with in-depth solutions.

You are allowed by ICC to use the 2018 IPC codebook when taking your ICC G25 Exam!


Our online practice questions provide you with a framework to practice utilizing your 2018 IPC Codebook. The process of constantly utilizing your codebook to answer test questions builds up your speed and code knowledge. Our course provides you with the required skill set to pass your ICC G25 Journeyman Plumber exam.

Four modes of study!

  • Chapter Study Mode: Covers over 900 ICC G25 exam practice questions & answers. (Organized as Question – Answer – Code Location)
  • Flashcard Mode: Online Virtual Flashcards provide randomized access to our entire question set and are an ideal setting to practice answering exam questions. (Organized as Question – Answer – Code Location)
  • Chapter Tests: Provides real-time feedback on each chapter of our study materials, enabling you to concentrate on chapters that need improvement.
  • Simulated Final Exams: Simulates the taking of your ICC G25 Journeyman Plumber exam.
    • Full length (Exact  number of questions as on G25 Exam)
    • Timed (Exact amount of time as actual ICC G25 exam)
    • Randomized (Questions are randomized, all exams are unique)
    • Properly Balanced (Balanced according to the ICC Exam schedule guaranteeing a realistic ICC G25 exam simulation)

Take as many simulated final exams as you want! (These exams help you to gain the knowledge, speed, and confidence needed to pass your ICC G25 exam effortlessly)

One-year online access: Full access membership to our online study center. Experience the convenience of learning at home or in the office, saving valuable travel time to an in-person course.


ICC G25 Exam Breakdown

When performing plumbing work in a city, county, or state that requires ICC G25 Journeyman Plumber certification, that jurisdiction requires you to take and pass the ICC G25 examination based on the International Plumbing Code.

You are allowed to use a copy of the 2018 IPC  when taking your G25 exam.


  • Administration General Regulations: (40%)

    • General Installation Requirements
    • Code Definitions and Terms
    • Plan Reading
    • Testing
    • Materials
  • Plumbing Fixtures: 17%

    • Water Heaters
    • Water Closets and Urinals
    • Specialty Fixtures
    • Bathtubs, Showers, Sinks, and Lavatories
  • Water Supply and Distribution: 14%

    • Service Distribution and Piping
    • Water Supply and Pressure
    • Protection of Potable Water Supply
  • Sanitary Drainage: 13%

    • Building Sanitary Drainage
    • Sumps and Ejectors
    • Indirect and Special Waste Systems
  • Plumbing Vent Requirements: 7%

    • Vent Connections and Grades
    • Vent Terminals
  • Traps, Interceptors, and Separators: 7%

    • Installation of Traps
    • Interceptors and Separators
  • Storm Drainage: 2%

    • Storm Drainage

Please click the following link to read/download the ICC Candidate Information Bulletin.

This bulletin answers most questions raised by examination candidates. Please read it carefully. You will find it a useful reference throughout your registration and examination process.

Take Your ICC G25 Exam With Pearson|VUE

Schedule the exam at your closest Pearson|VUE testing center, then submit your results to the appropriate licensing agency immediately upon passing the exam.

Take your ICC G25 Exam at the Closest Pearson|VUE Test Center

ICC exams are available at Pearson|VUE testing centers across the country.
CLICK HERE – For more information or to set up an exam with Pearson|VUE. 

About the ICC G25 National Standard Journeyman Plumber exam.

This information regarding the ICC G25 exam is provided to you as a courtesy. Check with ICC at and/or Pearson|VUE at to verify this information’s accuracy.

  • Contact the appropriate building department for specific licensing requirements.
  • Passing an ICC national standard exam is NOT a license to practice and does not guarantee a license in any jurisdiction.
  • To acquire a license to practice, you must apply to the specific state licensing agency or building department and meet their licensing requirements.

Pearson|VUE requirements/recommendations for scheduling the G25 exam.

IMPORTANT: ICC has been split into different testing programs on its website. You will need to know the three-digit exam code before registering for your Contractor/Trades exam. Each testing program will require a unique username and password.

The Contractor/Trades program is also split into exams that require pre-authorization and exams that do not require pre-authorization. View the current exams that require pre-authorization OR do not require pre-authorization.

To create an account, schedule an exam, view exams, or find a test center, please go to

2018 IPC Softcover
Required Codebook (Sold Separately) $91.75

If you don’t own a copy of the 2018  (International Plumbing Code), that’s OK. We have you covered. Add the codebook, and you are good to go.




Codebook Navigation Aid (Sold Separately) $14.35

Tab your Codebook. Fast-Tabs help you navigate the 2018 IPC quickly and efficiently. Fast-tabs are a must-have item for IPC users and can dramatically lower the time spent searching through the codebook.

You are allowed to use IPC Fast-Tabs when taking your P2 Exam!

Take our Free ICC G25 Journeyman Plumber Exam

Pass this 20 question free G25 Journeyman Plumber test, learn where you stand! These free G25 Plumber practice questions are similar to those on the G25 Journeyman Plumber exam.


  • If you answer sixteen or more of these free ICC G25 practice questions correctly, you are in pretty good shape.
  • However, if you miss four or more questions, get this course, you are in danger of failing your ICC G25 exam.

A flush tank's fill valve backflow preventer must be __________ or more above the overflow pipe's full opening.

Correct! Wrong!

What is the maximum projected roof area that is approved for a semicircular 4-inch gutter in an area with a 1-inch per hour rainfall rate, and a 4-percent slope?

Correct! Wrong!

Before corrosive liquids that could harm drainage piping can be discharged into a sanitary drainage system, they must be __________ .

Correct! Wrong!

One trap may accommodate a combination plumbing fixtures, as long as one compartment of the fixture is 6 inches (152 mm) deeper or less than the other compartment, and that the fixture's waste outlets are ___________ apart or less.

Correct! Wrong!

Before connecting to the outside vent terminal, a vent or branch vent for multiple island fixture vents must extend at least ___________ above the highest island fixture that it is venting.

Correct! Wrong!

Shower liners must turn up 2 inches (51 mm) or more on all sides and must not be perforated or nailed above the finished threshold for at least __________ .

Correct! Wrong!

Continuous and semi-continuous flow into a drainage system shall have their drainage fixture unit values computed based on a flow being equivalent to how many fixture units?

Correct! Wrong!

Where there is more than one change of horizontal direction exceeding 45 degrees a developed length of piping from a cleanout, the first cleanout may serve for all changes of direction within that __________ feet.

Correct! Wrong!

A drinking water fountain with a single orifice of up to 7/16-inch in diameter or several orifices whose total area is up to 0.150 square inch (the equivalent area of a circle with a diameter of 7/16-inch) must have an air gap with a distance of at least:

Correct! Wrong!

If a hot water storage tank or storage tank-type water heater is installed where leakage from the tank will cause damage, it must be installed in a galvanized steel pan at least ____________ deep.

Correct! Wrong!

When there is space between the outside of a pipe and either an opening in a building envelope ceiling assembly, floor or wall penetrated by the pipe or the inside of a pipe sleeve must be:

Correct! Wrong!

Openings subjected to normal atmospheric pressure have installed on them a type of backflow preventer that works by admitting atmospheric pressure on the discharge side of the device through ports, which is called a __________ .

Correct! Wrong!

If there are different requirements in different sections of the code, the part that applies will be the one with the ___________ requirements.

Correct! Wrong!

A shower must have a waste outlet no less than 1-1/2 inches (38 mm) in diameter, and it must have a removable strainer with openings of not less than 0.25 inch (6.4 mm) in the smallest measurement, and the whole strainer have a diameter of at least __________ .

Correct! Wrong!

What must a food waste grinder do before discharging into a grease interceptor?

Correct! Wrong!

The distance between insulation materials and air admittance valves must be at least __________.

Correct! Wrong!

Where gravity flow cannot be used to discharge building subdrains to the sewer, then a tightly covered and vented __________ with automatic pumping equipment or other approved methods to lift liquid and discharge it into the building gravity drainage system will be used. Unless it is in an existing structure, this system may not receive any drainage that is able to be discharged into the building sewer by gravity.

Correct! Wrong!

A domestic kitchen sink with a food waste grinder and/or dishwasher must have a waste trap of at least ___________.

Correct! Wrong!

If a water table is less than __________ below the surface of the ground, then a private potable well supply may not be developed from it.

Correct! Wrong!

Temperature relief valves, pressure relief valves, combinations of these, and energy cutoff devices must have the label of an approved agency, and must have a temperature setting of up to __________.

Correct! Wrong!

2018 IPC