Article 358 covers the use, installation, and construction specifications for EMT and associated fittings. As noted in Sec. 358.42, "Couplings and connectors used with EMT shall be made up tight.

Whether you are installing electrical metallic tubing (EMT), intermediate metal conduit (IMC) or galvanized rigid metal conduit (GRC), Sec. 110-3 of the NEC requires you to list and label your ...