Heat shrink tubing can be used for many things. It can be used to bundle wires so that they don't get tangled, this also helps to make installation easier. The tubing can help by adding another layer of protection to the wire. And also to help organize or color code wires.  <strong><a href="http://kamals21atl.ning.com/profiles/blogs/sky-led-kolkata">SKY LED</a></strong> Heat shrink tubing can be made out of a number of different materials and comes in a variety of sizes and colors. There are also variations of the tubing that can come with an adhesive lining.