Sự khác biệt giữa ống EMT và ống IMC là gì?
IMC (Intermediate Metal Conduit) is a galvanized steel conduit that is used for electrical wiring in residential, commercial and industrial buildings. It is similar to EMT (Electrical Metallic Tubing) in many ways, but it is heavier and more durable.EMT is also a type of conduit that is used for electrical