Which NEC Article is dedicated to Intermediate Metal Conduit (IMC)?

The correct answer is found in Article 342 of the National Electrical Code (NEC), which specifically pertains to Intermediate Metal Conduit (IMC). This article outlines the requirements for the installation, use, and properties of IMC, ensuring that it meets safety and performance standards in electrical systems.

This conduit type is valued for its durability and resistance to corrosion, making it suitable for a variety of environments, especially where additional physical protection is needed. Article 342 covers the specifications for material, fittings, and installation methods, which is crucial for ensuring safe and effective use in electrical installations.

The other articles mentioned relate to different types of conduits. Article 358 covers the use of Electrical Metallic Tubing (EMT), Article 352 discusses PVC conduit, and Article 344 pertains to Rigid Metal Conduit (RMC). Each of these articles has its specific applications and requirements, distinct from those of IMC as detailed in Article 342.