Construction
Introduction to Plumbing Code
Reading and applying the two major plumbing code traditions in the US, the IPC and the UPC, and recognizing that local amendments always win. Covers looking up fixture unit counts, sizing vents and drains, minimum slope on waste lines, and the trap and cleanout rules that inspectors check first.
2
paths
5
guides
Learning Paths
Choose a path that matches your experience level and work toward mastery at your own pace.
Beginner Friendly
1 path
Start here
Learn how to navigate the IPC and UPC plumbing codes, look up fixture-unit counts, size vents and drains, and check trap, cleanout, and s...
Intermediate
1 path
Learn to look plumbing requirements up in the book instead of guessing. Covers IPC vs UPC and how to tell which your jurisdiction adopted...