Planning the layout is the first step in cable tray and conduit system planning. ial, industrial, or utility project. Electrical Metallic Tubing (EMT), Rigid Metal Conduit (RMC), and Flexible Metal Conduit (FMC are the most common metallic ducts. It ensures that all installation activities follow authorized plans, specifications, and standards. When integrated with IEC standards, planning becomes more reliable and. In modern electrical installations, the use of conduits to encase cables offers numerous benefits over direct cable installations.