If you are not well versed about electrical instrumentation, you would wonder what on earth does a heat shrink tubing means. Well, to simplify the definition, these are those colorful coverings used to insulate wires against intense heat. However, this is not only limited in its heat insulating function. It is also used to seal cable wiring from water, dust, and general exposure. Need something to bind wires together? The heat shrink tubing can be your best option. This is even used in repairing cables and wires as well. So, next time you hear the word “heat shrink tubing”, you don’t need to be faint-hearted. After all, you already know what it means and that’s what matters most!