The pithy formula in this section does not directly point out the current carrying capacity (safety current) of various insulated wires (rubber and plastic insulated wires), but is expressed by "multiplying the section by a certain multiple...
2022-09-09The conductors used for cables are copper and aluminum. Aluminum alloy and copper clad aluminum are derived from aluminum. Previously, wires and cables were made of copper conductors because of their excellent conductivity and mechanical pr...
2022-09-09In recent years, with the emergence of copper clad aluminum cable, the price of originally expensive pure copper cable has become more user-friendly, which has promoted the development of China's wire and cable industry to a certain extent....
2022-09-09Large scale surface power stations in China are generally located in the west. These places are generally desert, saline alkali land and large diurnal temperature difference. Rat damage is also serious and the environment is very humid.
2022-09-09Innovative and pragmatic construction of enterprise technical standard system to enhance the competitiveness of enterprises. There are differences among enterprises: different scales, different products, different technical fields, and diff...
2022-09-09Tel