Classes A, B, C, D, G, and M. 1  Classes A â C permit operation of motor vehicles based on GVW rating and must be renewed every 5 years. 2  Classes D and G are valid for operation of a single motor vehicle with a GVW rating of 26,000 lbs. or less.
Electrical Metallic Tubing (EMT) Electrical metallic tubing (EMT), also commonly called thin-wall, is a listed steel raceway of circular cross section, which is unthreaded, and nominally 10â² long. 20â² lengths are also available. Covered by Article 358 of the NEC, EMT is available in trade sizes 1/2 through 4.
A conduit is the connection between anything. i.e. electrical wire, a messenger or even the mail man. Anything that connects you to someone or something else. Yo man, I gotta get this cash back to my drug dealer. Which one of my bitches should be the conduit and run it back for me?. Electronics teacher:'Now students the red wire in this circuit will be the conduit to the light bulb.'. by Matt[O] September 10, 2005.