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 ...

Rigid metal conduit must be provided with expansion fittings if necessary to compensate for thermal ... Mike Holt is the owner of Mike Holt Enterprises (www.MikeHolt.com), one of the largest ...