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.
You are corresponding with Joseph-Your personal online Electrical Consultant. yes you would still need to use conduit in this case for the protection of the cable. And you can use either EMT or Sch 40 PVC. If you do use EMT-you will need to be sure you use connectors that utilize compression fittings and couplers.