About This Book
The 2021 International Plumbing Code (IPC) is a standardized set of regulations developed by the International Code Council. It establishes safe, minimum requirements for the design and installation of plumbing systems — including pipes, drains, and fixtures — in both residential and commercial buildings. Many states and municipalities adopt it as the foundation for their local plumbing regulations.
What the Code Covers - General Requirements: Core safety standards and design guidelines for plumbing systems. - Fixtures: Specifications for sinks, toilets, urinals, and related equipment. - Water Supply and Drainage: Standards governing the delivery of clean water and the removal of wastewater. - Ventilation: Requirements for maintaining proper airflow to prevent the infiltration of harmful sewer gases. - Specialty Systems: Regulations covering water heaters, storm drainage, and rainwater harvesting systems.
Key Updates in the 2021 Edition - All-Gender Restrooms: Multi-user restrooms designed to accommodate all genders are now explicitly permitted. - Pipe Rehabilitation Methods: Modern trenchless techniques for repairing existing sewer lines from the inside have been formally recognized. - Solar Panel Placement: New guidelines address the positioning of solar panels in relation to roof vent pipes. - Rainwater Harvesting: Expanded design flexibility has been introduced for rainwater collection systems.
Practice Tests Using This Book
This book is required or recommended for 2 licensing exams. We've written 355 practice questions directly from this material, each one citing the chapter and section it comes from.