Final answer:
The color print on L type copper pipe is blue, and it helps distinguish it from other types such as Type K (green) and Type M (red).
Step-by-step explanation:
The color print on L type copper pipe is blue. Type L copper pipe is typically used for interior plumbing applications and can be identified by its blue coloring. The blue print serves as a means to distinguish it from other types of copper pipes, such as Type K, which has a green print, and Type M, which has a red print.
Understanding these color codes is important when working on plumbing projects as it ensures the correct type of pipe is used for the appropriate application.