Kansas Master Plumber with Gas (ICC KGF, 2018 IPC/IFGC) Exam: A Practical Study Guide
The Kansas Master Plumber with Gas (ICC KGF, 2018 IPC/IFGC) exam tests the rules and the reference books behind the work. This guide lays out the job: the key facts from the official bulletin, what the exam covers, the books you need, sample questions with answers, and how to get ready. Pearson VUE gives the exam.
The Kansas Master Plumber with Gas (ICC KGF, 2018 IPC/IFGC) Exam at a Glance
Here's the rundown from the official bulletin:
| Questions | 100 questions |
| Time limit | 4 hours |
| Passing score | a minimum score of 75 |
| Books in the exam room | Open book |
| Exam fee | $115 |
On exam day
- Questions are four-option multiple choice with one correct answer.
References you may bring
- International Plumbing Code (2018)
- International Fuel Gas Code (2018)
Scheduling, changes and retakes
- Exams are scheduled through PearsonVUE at https://www.pearsonvue.com/icc.
- Results for examinations taken electronically are available immediately after completion of the examination.
- You must wait 10 days before retaking a failed exam.
- After passing, contact the jurisdiction for any other requirements needed to become licensed.
Source: State of Kansas Contractor/Trades Examination Information Bulletin, PUBLISHED August 20, 2026 (page headers read "December 9, 2025"). Check the bulletin before test day: fees and rules can change.
What the Kansas Master Plumber with Gas (ICC KGF, 2018 IPC/IFGC) Exam Covers
The official content outline breaks the exam into 8 topics:
| Topic | Questions | Share of the exam |
|---|---|---|
| Administration General Regulations | 36 | 36% |
| Plumbing Fixtures | 13 | 13% |
| Water Supply and Distribution | 9 | 9% |
| Sanitary Drainage | 8 | 8% |
| Plumbing Vent Requirements | 6 | 6% |
| Traps, Interceptors, and Separators | 5 | 5% |
| Storm Drainage | 2 | 2% |
| Gas Piping | 21 | 21% |
How to Get Ready for the Kansas Master Plumber with Gas (ICC KGF, 2018 IPC/IFGC) Exam
Treat your reference books like your tools. On an open-book exam you don't need every rule memorized. You need to know which book holds it and where to find it.
Buy the books the bulletin lists, in the editions it names. An older or newer edition can put the answer on a different page, or change it.
Learn your way around each book before you study anything else. The table of contents and the index are your layout.
Highlight what you look up most. Check the bulletin's rules on tabs and markings before you add any.
Do the big jobs first. Administration General Regulations and Gas Piping make up 57% of the exam.
Put in the reps with timed practice exams. The clock trains you to find answers at the pace the real exam needs: about 2 minutes 24 seconds per question.
Measure twice. When you miss a practice question, find the section in your book, read it and mark it. Keep at it until you pass practice exams consistently.
The Books for the Kansas Master Plumber with Gas (ICC KGF, 2018 IPC/IFGC) Exam
The listed references are the 2018 International Plumbing Code and the 2018 International Fuel Gas Code.
Where to get them:
Working the Exam on Test Day
Work the exam in two passes. On the first pass, answer everything you know and bookmark the rest. Every exam lets you come back to bookmarked questions, though some lock the ones you've seen once you take a break. On the second pass, go back to your bookmarks and take them one at a time.
Don't get hung up on one question. You have 4 hours for 100 questions, which is about 2 minutes 24 seconds per question. Before you finish, make sure nothing is left blank.
Study Tips
This practice exam mirrors the real Pearson VUE exam — the same number of questions, drawn from the same topics. Practicing in that format now means no surprises when you sit for the real thing.
On technical questions, don't get bogged down in unfamiliar terminology. If you don't recognize a term, you're unlikely to figure it out on the spot—acknowledge it quickly and move on. Use the surrounding context, answer choices, and familiar terms to guide your reasoning, but don't linger on any single difficult question.
You're given plenty of time, so use as much of it as you need. Don't get rattled when other people finish early — finishing first isn't a prize. Work at your own steady pace and review your answers before you submit.
After each practice test, note the topics you miss most and spend your next session there. Re-testing weak areas yields far more score gain than re-reading what you already know.
Several 25–30 minute sessions across the week beat one long cram. Spaced repetition moves facts into long-term memory so they stick through exam day.
Sample Kansas Master Plumber with Gas (ICC KGF, 2018 IPC/IFGC) Questions
These come from our practice question bank, each with its answer and the reference behind it.
Sample 1 — Water Supply and Distribution
Question: For a sink with an effective opening not greater than 3/4 inch in diameter, what is the minimum air gap required when the fixture is positioned away from a wall?
- A. 2 inches
- B. 1 inch
- C. 2-1/2 inches
- D. 1-1/2 inches
Correct Answer: D
Per IPC Table 608.16.1, sinks, laundry trays, gooseneck back faucets and other fixtures with effective openings not greater than 3/4 inch in diameter require a minimum air gap of 1-1/2 inches when away from a wall.
Reference: IPC 2018 Section 608.16.1, Table 608.16.1
Sample 2 — Sanitary Drainage
Question: Where horizontal branches connect to the base of a drainage stack, the connection point must be located not less than how many times the diameter of the drainage stack downstream from the stack?
- A. 5 times
- B. 10 times
- C. 12 times
- D. 8 times
Correct Answer: B
Per IPC Section 704.3, horizontal branches shall connect to the bases of stacks at a point located not less than 10 times the diameter of the drainage stack downstream from the stack.
Reference: IPC 2018 Section 704.3
Sample 3 — Plumbing Vent Requirements
Question: A vent connection to a fixture drain, other than for a water closet, shall not be located below what reference point?
- A. The centerline of the fixture drain pipe
- B. The invert of the horizontal branch
- C. The weir of the trap
- D. The crown of the trap
Correct Answer: C
Per IPC Section 909.2, the vent connection to a fixture drain, except for water closets, shall not be below the weir of the trap. This ensures proper venting without siphoning the trap seal.
Reference: IPC 2018 Section 909.2
Sample 4 — Traps, Interceptors, and Separators
Question: As the master plumber on a commercial renovation, you must protect the trap seal of an emergency floor drain in an unoccupied mechanical room where the trap is subject to evaporation. You elect to use a barrier-type trap seal protection device rather than a primer valve. The device you select must conform to which standard?
- A. ASME A112.14.6
- B. ASSE 1072
- C. ASSE 1044
- D. ASSE 1018
Correct Answer: B
Per IPC 2018 Section 1002.4.1.4, barrier-type floor drain trap seal protection devices shall conform to ASSE 1072 and be installed per the manufacturer's instructions. ASSE 1018 covers potable and reclaimed/graywater-supplied trap seal primer valves (Sections 1002.4.1.1 and 1002.4.1.2), ASSE 1044 covers waste water-supplied trap primer devices (Section 1002.4.1.3), and ASME A112.14.6 applies to grease interceptor/FOG disposal equipment.
Reference: IPC 2018 Section 1002.4.1.4, Chapter 10 ()
Why Practice Online Instead of With a PDF
A PDF is like reading about a job instead of doing it. Our practice exams are timed and on a screen, so you practice finding answers with the clock running. Each attempt draws a new set of questions from our bank, and your results break your score down by topic so you know where to put in more work.
Get Started
Take the free Kansas Master Plumber with Gas (ICC KGF, 2018 IPC/IFGC) practice exam to see where you stand, then put your time into the topics that need it. For the official rules, read the exam bulletin, and see the licensing board's website.