Which NEC Article governs Electrical Metallic Tubing (EMT)?

The National Electrical Code (NEC) Article that governs Electrical Metallic Tubing (EMT) is Article 358. This article provides the regulations and guidelines specifically related to the installation, use, and properties of EMT as a conduit system.

EMT is widely utilized for its lightweight and corrosion-resistant qualities, making it ideal for many types of electrical installations. Article 358 covers aspects such as the allowable methods for securing and supporting EMT, the types of fittings and connections permissible, as well as the overall performance specifications regarding its use in both residential and commercial applications.

The other articles mentioned pertain to different types of conduits. Article 344 addresses rigid metal conduit, Article 352 pertains to PVC conduit, and Article 342 covers intermediate metal conduit. Each of these has distinct provisions tailored to the specific materials and applications they govern, highlighting the importance of referring to the correct article for relevant conduit types.