Conduit bodies are most commonly used with Schedule 40 and Schedule 80 rigid conduit, which are both types of PVC (polyvinyl chloride) conduits. These types of conduit are chosen for their durability, resistance to corrosion, and ease of installation. IMC Conduit (Intermediate Metal Conduit) 3). You can choose from rigid metal, intermediate metal, and flexible metal conduits, electrical metallic and non-metallic tubing, liquid-tight flexible metal, and rigid PVC conduit. From a professional standpoint, conduit selection must consider not only mechanical protection but also factors such as corrosion resistance, flame performance, grounding path reliability, thermal expansion, and compatibility with specific installation environments.