ICC F25 Journeyman Plumber Exam (2015 IPC) Practice Exam
Free Practice Exam
Test your knowledge with 10 questions from our pool of 20 free questions.
- 10 questions per attempt
- 30 minute time limit
- Unlimited attempts
- A new mix each time
- Instant results
Full Practice Exam
Complete exam simulation matching the real Pearson VUE test format.
- 70 questions (same as real exam)
- 180 minute time limit
- 7 topic areas covered
- 295 questions in pool
- Detailed explanations
Texts preferred · 9am–9pm Central
ICC F25 Journeyman Plumber (2015 IPC) Practice Exam Guide
What's on the exam
Questions per topic, out of 70This practice exam is laid out like the official content outline for the ICC F25 Journeyman Plumber (2015 IPC) exam: Administration General Regulations, Plumbing Fixtures, Water Supply and Distribution, Sanitary Drainage, Plumbing Vent Requirements, Traps, Interceptors, and Separators, Storm Drainage.
Two ways to practice: the free practice exam gives you 10 questions per attempt, as often as you want. The full practice exam gives you 70 questions on a 3 hours clock, with a new draw from our question bank every time.
Administration General Regulations 28 items
Our study plan for this topic: General Installation Requirements; Code Definitions and Terms; Plan Reading; Testing; Materials; Permits and Permit Applications; Inspections and Inspection Procedures; Code Official Authority and Duties.
Plumbing Fixtures 12 items
Our study plan for this topic: Water Heaters; Water Closets and Urinals; Specialty Fixtures; Bathtubs, Showers, Sinks, and Lavatories; Minimum number of required plumbing fixtures by occupancy type; Fixture installation requirements (clearances, spacing, and alignment); Faucets and fixture fittings (approvals, flow rates, and temperature limits); Flushing devices for water closets and urinals.
Water Supply and Distribution 10 items
Our study plan for this topic: Service Distribution and Piping; Water Supply and Pressure; Protection of Potable Water Supply; Pipe Materials, Fittings, and Joining Methods; Fixture Supply Pipe Sizing and Flow Requirements; Valve Requirements and Placement; Hot Water Supply System Requirements; Water Pressure Booster Systems and Storage Tanks.
Sanitary Drainage 9 items
Our study plan for this topic: Building Sanitary Drainage; Sumps and Ejectors; Indirect and Special Waste Systems; Drainage pipe materials and applicable standards (above-ground, underground, and building sewer); Drainage piping installation requirements (slope, change in size, stack connections); Pipe joints and connection methods by material type; Drainage fixture unit values and system sizing; Cleanout requirements (location, spacing, size, and access).
Plumbing Vent Requirements 5 items
Our study plan for this topic: Vent Connections and Grades; Vent Terminals; Vent Pipe Sizing and Developed Length; Types of Venting Methods (Individual, Common, Wet, Circuit, Combination Waste and Vent); Air Admittance Valves; Trap Seal Protection and Maximum Distance of Fixture Trap from Vent; Vent Stack and Stack Vent Requirements; Relief Vents for Multi-Story Stacks.
Traps, Interceptors, and Separators 5 items
Our study plan for this topic: Installation of Traps; Interceptors and Separators; Prohibited trap types; Trap seal requirements and protection methods; Fixture trap sizing and design requirements; Grease interceptor sizing and capacity requirements; Oil separator design and application requirements; Venting, access, and maintenance of interceptors and separators.
Storm Drainage 1 item
Our study plan for this topic: Storm Drainage; Sizing of vertical conductors, leaders, and horizontal storm drains using rainfall rate tables; Primary and secondary (emergency overflow) roof drains and scuppers; Approved materials for inside conductors, underground storm drain pipe, and building storm sewer pipe; Subsoil drains and building subdrains — pipe types, minimum size, and discharge requirements; Sump pits and pumping systems — dimensions, materials, and piping requirements; Storm drain traps — when required, sizing, and cleanout provisions; Controlled flow roof drain systems — minimum number of drains and control device requirements.
Sample 1 — Administration General Regulations
Question: A basement remodel is to be served by a macerating toilet system consisting of a water closet and a sump with a macerating pump. In addition to the water closet, how many other fixtures may be connected to that sump?
- A. One
- B. Two
- C. Four
- D. Three
Correct Answer: B
IPC 2015 Section 202 defines a 'Macerating toilet system' as an assembly consisting of a water closet and sump with a macerating pump designed to collect, grind and pump wastes from the water closet and up to two other fixtures connected to the sump.
Reference: IPC 2015 Section 202 (Macerating Toilet System)
Sample 2 — Plumbing Fixtures
Question: A drain valve for emptying is required at the bottom of each tank-type water heater and hot water storage tank. What is the minimum nominal inlet size of that valve, and what thread must the outlet have?
- A. 1/2-inch IPS inlet; male hose thread outlet
- B. 3/4-inch IPS inlet; female hose thread outlet
- C. 1/2-inch IPS inlet; female hose thread outlet
- D. 3/4-inch IPS inlet; male hose thread outlet
Correct Answer: D
IPC 2015 Section 501.3 requires the drain valve inlet to be not less than 3/4-inch nominal iron pipe size and the outlet to be provided with male garden hose threads.
Reference: IPC 2015 Section 501.3
Sample 3 — Water Supply and Distribution
Question: A temperature-actuated mixing valve is being added to a building's hot water system to reduce delivered water temperature to defined limits. Where must such a valve be installed?
- A. Downstream of the recirculation pump
- B. On the cold water inlet to the heater
- C. At each fixture supply served
- D. At the hot water source
Correct Answer: D
IPC 2015, Section 613.1 requires temperature-actuated mixing valves installed to reduce water temperatures to defined limits to comply with ASSE 1017 and to be installed at the hot water source.
Reference: IPC 2015 Section 613.1
Your first attempt is an inspection, not a final grade. The results page breaks your score down by outline topic, so you can see which areas need work. Compare it with the real exam's passing score, 70% correct, and keep practicing until you pass consistently.
- Answer what you know first and bookmark the rest. Our practice exams let you bookmark and come back.
- Work your bookmarks on the second pass.
- Keep your pace. The real exam works out to about 2 minutes 34 seconds per question.
- After each attempt, look up each missed question's reference in your book and read the section.
| Questions | 70 questions |
| Time limit | 3 hours |
| Passing score | 70% correct |
| Books in the exam room | Open book |
| Exam fee | $120 |
- Results for examinations taken electronically are available immediately after the examination is completed.
- You must wait 10 days before retaking a failed exam.
Source: National Contractor/Trades Examination Information Bulletin, PUBLISHED June 30, 2026; ICC Exam Catalog, checked October 6, 2026. Check the bulletin before test day: fees and rules can change.