Electrical conduit
（重定向自Electrical Metallic Tubing）
![This illustration shows electrical conduit risers, looking up inside a fire-resistance rated shaft, as seen entering bottom of a firestop. The firestop is made of firestop mortar on top and mineral wool on the bottom. Raceways are used to protect cables from damage.](/Images/godic/202501/10/Conduit_firestop_us5307.jpg")
![Conduit embedded in concrete structure for distribution of cables throughout this highrise apartment building in Mississauga, Ontario, Canada](/Images/godic/202501/10/Cast_conduit5307.jpg")
![Electrical conduit and bus duct in a building at Texaco Nanticoke refinery in Nanticoke, Ontario, 1980s.](/Images/godic/202501/10/Texaco_nanticoke_conduit_galore5307.jpg")
![Plastic tubing for use as electrical conduit.](/Images/godic/202501/10/Plastic_tubing5307.jpg")
An electrical conduit is a tube used to protect and route electrical wiring in a building or nonbuilding structure. Electrical conduit may be made of metal, plastic, fiber, or fired clay. Most conduit is rigid, but flexible conduit is used for some purposes.