**Electrical Metallic Tubing โ EMT**
– EMT is a steel raceway of unthreaded circular cross section.
– The exterior is galvanized and protected by a clear zinc coating.
– The interior is a smooth continuous raceway and is coated with zinc organic lubricants.
– It could be either installed indoors or outdoors.
– Produced in trade sizes from ยฝโณ to 4โณ.