There is no strict boundary between "wire" and "cable". Products with a small number of cores, small product diameters, and simple structures are generally called wires, those without insulation are called bare wires, and others are called cables; those with larger conductor cross-sections (Greater than 6 square millimeters) is called a large wire, smaller (less than or equal to 6 square millimeters) is called a small wire, and insulated wire is also called a cloth wire. The wire is composed of one or a few flexible wires, and the outer wire is With a light and soft sheath; the cable is composed of one or several insulated coated conductors, and the outside is covered with a tough outer layer made of metal or rubber. Cables and wires are generally composed of a core wire, an insulating sheath and a maintenance sheath Partial composition.
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