Illinois Plumbing Code Practice Exam 2025 – All-in-One Guide for Exam Success!

The correct height for a urinal's rim above the finished floor is indeed 24 inches. This measurement is established by the Illinois Plumbing Code to ensure accessibility and usability for individuals of varying heights. Setting the rim height at 24 inches helps accommodate adults while also being accessible for children or individuals with disabilities, depending on the design and permutations available.

In practice, proper installation height contributes to the overall effectiveness and safety of restroom facilities, adhering to both plumbing codes and best practices for public health and hygiene. The specified height fosters comfort and reduces the risk of splash-back, enhancing the user experience in commercial and public restroom settings.

The other options reflect heights that do not comply with the established requirements of the Illinois Plumbing Code and would not provide the necessary standardization and accessibility for urinal installations.