The wire and cable products used in the power system mainly include overhead bare wires, bus bars (bus bars), power cables (plastic cables, oil-paper cables (substantially replaced by plastic power cables), rubber cables, overhead insulated cables), and branch cables.
The method for determining the type of cable fault is to measure the insulation resistance of each phase at one end of the line with an insulation resistance meter.
American standard and other advanced standards, so it is not enough to be familiar with domestic standards, but also familiar with international standards.
"Wires" and "cables" are conceptually not strictly defined. In the narrow sense, they are called "wires" and "cables" and should be collectively referred to as "cables" in a broad sense.
