Media

  • How to distinguish the specifications of power cords with plugs?

    16-01-2021

    There are many types of power cords with plugs. According to different classification methods, they can be divided into various specifications: 1. According to the plug type. Plugs can be divided into...

  • How to choose a cable?

    09-01-2021

    1. Selection of electric wire and cable model (1) When selecting wires and cables, consider the purpose, laying conditions and safety; (2) According to different purposes: power cables, overhead insul...

  • How to distinguish power cables and control cables

    31-12-2020

    Power cables are cables used to transmit and distribute electrical energy. Power cables are often used in urban underground power grids, power station outgoing lines, internal power supply in industri...

  • What tests need to be done for commonly used wires and cables?

    21-12-2020

    1. Electrical function test There are mainly conductor DC resistance, insulation resistance, product voltage experiment and insulated wire-core voltage experiment, each of which is very important. The...

  • What is the difference between 3+2 and 4+1 on wires and cables

    12-12-2020

    1. The difference between wires and cables The cable is composed of one or several insulated and covered wires, and then covered with a tough outer layer made of metal or rubber. The cable is composed...

  • Operation and maintenance of power cables

    04-12-2020

    The operation of power cable lines is one of the important links in power production. The safety of cable lines is related to the safe production of enterprises and the safety of people's lives and pr...