The armouring layer of cables for electrical equipment, that is, control cables, is not only steel tape.Generally, there are the following types: copper wire braided shielding, copper tape shielding, steel tape armouring, aluminum tape armouring, and several kinds of combined composite armouring.There are many kinds of cables with complicated names.The rated voltage is low.The service voltage of these wires and cables is 450/750
The basic practice of the three principles is: First, not accepting nonconforming products. Not accepting nonconforming products means that employees first check whether the previously delivered products are qualified as required before production and processing. Once problems are found, they have the right to refuse to accept them and feed back to the previous process in a timely manner.The personnel of the previous process need to stop processing immediately, find out the causes, take measures, so that the quality problems can be found and corrected in a timely manner, and