IPC Backflow Rule: Ladder Over 5 Feet Height Explained

If you’re installing or inspecting plumbing systems—especially those involving backflow preventers—you’ve likely stumbled upon a confusing clause in the International Plumbing Code (IPC) about ladders and a 5-foot height limit. What does it really mean? And why does it matter for backflow protection? You’re not alone. Many contractors, inspectors, and even seasoned plumbers misinterpret this…