EMT pipes are used to protect and to route electrical wiring throughout a building. Whether you are installing electrical wiring in your basement, or you are working on a large commercial project; it’s essential to use these pipes for the safety and organization of your wires. The EMT pipes are made out of coated steel and aluminum. They come in a wide variety of sizes and dimensions and are very affordable and flexible. Those have mostly a commercial use but their use is not limited, so they can be also useful for residential projects.