What type of conduit should be used for the last segment of a conduit run in bulk storage plants for safety purposes?

For the last segment of a conduit run in bulk storage plants, intermediate metal conduit (IMC) is the recommended choice due to its robustness and ability to withstand the potential hazards usually present in such environments. IMC provides a higher level of protection against physical damage compared to other conduit types, which is critical in areas where bulk materials are stored and handled.

IMC is constructed from steel, which gives it the necessary strength to resist impacts and other stresses. This is particularly important in bulk storage facilities where machinery and heavy materials can pose a risk of damage to electrical systems. The metallic nature of IMC also offers excellent grounding capabilities, further enhancing safety.

Additionally, IMC can help contain any potential sparks or heat generated in the conduit's vicinity, minimizing the risk of igniting flammable materials that may be present in a bulk storage plant. This makes it a more suitable choice for environments classified as hazardous locations, where the risk of fire or explosion is elevated.

In contrast, options such as flexible conduits are generally used for applications where movement or flexibility is required, while plastic conduits may not offer the same level of mechanical protection as IMC, making them less suitable for areas that may experience physical impacts. Unthreaded metal conduits may not