IAPMO UPC PI study materials
IAPMO UPC PI study resources

IAPMO UPC PI study guide

IAPMO UPC PI · Work through your exam, one topic at a time.

The IAPMO UPC Professional Inspector (PI) credential is a professional certification for plumbing inspectors and code-enforcement personnel who evaluate installations against the Uniform Plumbing Code. IAPMO describes its workforce arm as offering "code and trade professionals with industry-leading training and certification," and lists "IAPMO Certification and Testing offers professional credentialing services through its certification and license testing programs" among its business units. The IAPMO UPC PI study guide has 5 sections and about 1,736 words.

01

Uniform Plumbing Code - General Regulations and Administration

The General Regulations and Administration domain tests the UPC's administrative chapters and the cross-cutting installation rules that apply to every plumbing system. Expect questions on permit triggers, plan content, inspector authority, material approval, access for inspection, protection of piping, support and firestopping.

344 words, about 2 min
02

Uniform Plumbing Code - Plumbing Systems and Fixtures

This domain tests fixture requirements: minimum facilities by occupancy, clearances, trap and drain connections, indirect waste, backflow protection at fixtures, and water heater installation. Fixture questions often combine a layout sketch with a code rule, so identify the fixture type and occupancy first.

357 words, about 2 min
03

Uniform Plumbing Code - Water Supply

The water supply domain tests potable water protection, cross-connection control, pressure, sizing, materials, valves and testing. Many questions ask you to select a backflow method for a described hazard or to check whether a system has adequate pressure and capacity.

336 words, about 2 min
04

Uniform Plumbing Code - Drainage, Waste and Venting

This domain tests drainage slope, fixture units, traps, cleanouts, backwater protection, sumps and venting. Questions often ask whether a drain will flow properly, whether a trap is protected, or whether a cleanout is accessible.

336 words, about 2 min
05

Uniform Plumbing Code - Gas Piping and Mechanical Provisions

This domain tests fuel gas piping and related mechanical provisions: materials, sizing, installation, shutoff valves, sediment traps, appliance connectors, combustion air, venting and pressure testing. Expect scenarios based on a appliance connection or a piping run.

363 words, about 2 min