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.
Conduit Pipe Products, a member of The Phoenix Forge Group, is a leading supplier of electrical conduit fittings. Conduit Pipe Products manufactures conduit nipples, elbows and couplings in galvanized steel, aluminum, and stainless grades at its facility in West Jefferson, Ohio. These products serve many applications including the construction, food processing, and dairy industries.