Wire & cable used to transmit electrical (magnetic) energy, information and electromagnetic energy conversion of wire products .
Generalized wire and cable is also referred to as cable. The narrow sense of cable refers to the insulated cable. It can be defined as : an aggregate composed of the following parts: one or more insulated wire cores , and the coating layer, total protective layer and outer protective layer they may each have .
The application range is very wide , involving power, construction, communication , manufacturing and other industries, and are closely related to various departments of the national economy. Wire and cable is also known as the "artery" and "nerve" of the national economy , is the transmission of electric energy, transmission of information and the manufacture of various motors, instruments , meters , electromagnetic energy conversion indispensable basic equipment , is the future electrification , information society in the necessary basic products .
Especially in a rapidly developing country like China , the huge demand for infrastructure construction and supporting facilities is self-evident .
The cable may also have an additional non-insulation conductor .
