What color indicates Pipe L copper?

The correct choice indicates that Pipe L, which is commonly used for plumbing applications, is recognized by a blue color. This color-coding system is essential for quick identification and differentiation of various types of piping materials and their associated applications in plumbing and HVAC systems.

In practice, blue indicates that Pipe L is designed to withstand certain pressures and is more flexible than other copper types, making it suitable for residential plumbing. Knowing this color code helps maintenance personnel quickly identify the piping system in place and determine the appropriate handling and installation methods.

Understanding these color codes ensures better communication among workers and safety when working with different types of pipes, as each type serves different functionalities and may have different codes or regulations associated with their installation and maintenance.