Which conduit is recommended for use in a high-rise building riser?

The recommendation of Intermediate Metallic Conduit (IMC) for use in a high-rise building riser is grounded in several key benefits that this conduit type offers. IMC is recognized for its strength and structural integrity, making it particularly suitable for environments where physical protection is essential. Its metallic composition enables it to be robust against potential impacts and physical stressors often encountered in high-rise constructions.

Additionally, IMC is corrosion-resistant when properly coated, which is vital for the longevity of electrical installations in various environmental conditions, including those found in high-rises. This conduit also provides an effective path for grounding, enhancing electrical safety, which is crucial in the vertical context of high-rise buildings where long vertical runs of wire can pose a higher risk.

While other conduits have their uses, they might not offer the same combination of strength, safety, and grounding capabilities required for high-rise applications. For instance, Electric Metallic Tubing (EMT) is lighter and easier to handle but may not provide the robustness required for all high-rise conditions. PVC-jacketed conduits, although corrosion-resistant, lack the necessary mechanical strength and grounding properties that metallic conduits like IMC provide. This makes IMC the preferred choice in ensuring both the safety and reliability of electrical