In fact, there is no strict boundary between wires and cables. Generally, products with few cores, small diameter and simple structure are called wires, those without insulation are called bare wires, and others are called cables; The conductor with larger cross-sectional area (more than 6 mm2) is called large wire, the smaller one (less than or equal to 6 mm2) is called small wire, and the insulated wire is also called cloth wire. The wire is composed of one or several soft wires, which are covered with a light and soft protective layer; The cable is composed of one or several insulated condu |