A conductive wire used for carrying current. A solid, twisted, or foil braid, etc. The insulation condition is divided into two categories: bare wire and insulated wire. An insulated conductor consisting of one or more insulated conductors in a sealed sheath. It can be added to protect the cover layer. The difference between the wire and the cable is that the wire is generally smaller in size and simpler in structure, but sometimes the cable is also included in the general electric wire.