Electrical conduit systems provide protection and routing for electrical wiring in various applications, using tubes or channels made from materials like metal, plastic, or fiber. These systems safeguard wiring from physical damage, moisture, and chemical exposure while maintaining electrical safety. Types of conduit systems include rigid metal conduit, intermediate metal conduit, electrical metallic tubing, PVC conduit, and flexible conduit, with selection depending on factors such as installation environment, wiring type, and local electrical codes.