Control cables have many common faults. Such as mechanical damage, insulation damage, insulation aging metamorphism, overheating. When the fault occurs, you must cut off the power immediately and find the fault quickly. After checking and analyzing the fault, you should repair and test at once. The power could be recovery after all faults have been solved.
The wire and cable industry competed more and more fierce. People have transfer their eyes to the special wire and cable products. Special wire and cable have their own specificity on using occasion and product technical performance. So they have more profit than normal cables. At present, they are developed and put on the market by many cable companies.
At present, there is currently no unified technical specification to t large volume special cable. Each enterprise plays by their own mind. The cable structure sizes, materials, voltage grade, using temperature, specifications section and application occasion are all not unified. It brings a lot of trouble for choosing and using. They have brought big hidden danger to safe running of cable and there is a serious threat to the personal property and normal operation of control equipment and electrical power system. At the same time, they will effect reputation of cable industry.