3. Cables with unqualified insulating sheath materials. Insulation and sheathing ensure the normal operation and service life of the cable. Failure of the insulation and sheath material will accelerate the aging of the cable and reduce the tensile strength and mechanical strength of the cable. Insul... read more
Cables are connectors for power transmission, information transmission, and electromagnetic energy conversion. During the sampling survey of cable products, a large number of unqualified products were found. These unqualified products buried many hidden dangers for the normal operation of the power ... read more
First, you should observe the appearance of the cable. The insulating (sheath) layer of the qualified product will feel smooth and soft when touched by hand. With the nails, your surface will be elastic and the surface will be free of unevenness and stinging. If the outer layer of the insulation is ... read more
1, wire and cable model selection When using wire and cable, consider the application, laying conditions and safety; for example, depending on the application, power cables, overhead insulated cables, control cables, etc. may be used; According to the different laying conditions, general plastic ins... read more
1. Under the eaves. Cables should not be exposed to direct sunlight or high temperatures, and piping is recommended. 2, the outer wall. Pay attention to occlusion to avoid long-term exposure to the wall and vandalism. 3. In the pipeline (plastic or metal). Pipe storage, you should check the thermal ... read more