What type of conduit has a wall thickness that falls between that of RMC and EMT?

Intermediate metal conduit (IMC) is designed specifically to provide a balance between strength and weight. Its wall thickness is greater than that of electrical metallic tubing (EMT), which is relatively thin and lightweight, making EMT easier to install but less robust against impacts and environmental conditions. On the other hand, IMC has a thicker wall than rigid metal conduit (RMC), which is one of the heaviest and most protective forms of conduit typically used in more demanding settings.

The thickness of IMC allows it to serve effectively in a variety of applications that require both support and some degree of flexibility in terms of installation. Its design provides sufficient protection for conductors and equipment while being lighter than RMC, making it easier to handle and install without sacrificing much in terms of structural integrity or safety compliance.

In contrast, the other conduit types mentioned do not fit this specific criterion. Flexible metal conduit (FMC) is intended for areas requiring movement or flexibility rather than providing a compromise between different thicknesses. PVC conduit is non-metallic and primarily used in specific applications, such as underground installations, while rigid non-metallic conduit (RNMC) serves different purposes, typically where moisture or corrosion is a concern. Thus, IMC stands out as the conduit