Master Plumber Exam Study Guide 2026–2027 | Plumbing License Prep, IPC and UPC Code Review + 200 Questions

Prepare for your state or local master plumber licensing exam with a complete review of the plumbing laws, code requirements, installation practices, calculations and safety rules these exams test. Written for licensed journeyman plumbers moving up to the master or plumbing contractor license, it explains each rule in plain language and shows how to apply it.

What's Inside:

• Exam overview: typical format (about 100–150 multiple-choice questions in 3–4 hours, open or closed book by jurisdiction), the ICC National Standard Master Plumber exam as an example, eligibility and scoring
• General laws and regulations: licensing, underground facility markings and 811, Energy Policy Act fixture limits, code material standards, permits and inspections, employer safety training and safety controls
• Pipe cutting and joining: concrete pipe, compression gasket joints and glass pipe
• Installation: rough-in, water supply sizing with worked examples, sprinkler systems, backing, water heaters, ADA fixture requirements, and fuel gas piping and combustion air
• Safety: collapsed underground pipes, backflow device selection and trench sloping and shoring by soil type
• System design: water heater selection, medical gas piping and trap materials
• Drainage, waste and vent systems: drainage fixture units, pipe capacity and slope, trap arms, vent sizing and venting methods, cleanouts, interceptors, indirect waste and storm drainage
• 2 full-length practice tests (200 questions) with scenario and calculation items and a detailed explanation for every answer
• Study schedules, test-taking strategies, FAQs and a final review checklist

Format:

• Digital PDF, instant download
• Printable US Letter pages

This is an independent study resource and is not affiliated with or endorsed by the International Code Council (ICC), IAPMO, or any state licensing board.