• Causes and hazards of unqualified cables(2)

    Causes and hazards of unqualified cables(2)

    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

    Nov 15,2019 News
  • Five-step purchase of high quality cable method

    Five-step purchase of high quality cable method

    The quality of cable has been plaguing everyone, but in the end it is because of the production process, cut corners, and shoddy reasons. Even if it is a national standard cable, there will be errors within the allowable range. Especially today's production process has been able to minimize the erro... read more

    Nov 23,2019 News
  • Inspection methods of wire and cable products

    Inspection methods of wire and cable products

    There are a variety of inspection methods for wire and cable products. According to different inspection methods and functions, they can be divided into the following types: 1. Divided by process stage: pre-inspection and intermediate inspection; 2. Divided by inspection location: fixed inspection, ... read more

    Nov 29,2019 News
  • General knowledge about wire and cable construction(1)

    General knowledge about wire and cable construction(1)

    1.What are the requirements for the positive sequence impedance measurement of cable lines? The positive sequence impedance refers to the resistance of the cable conductor under AC voltage and the phasor sum of three adjacent inductive reactances in the cable connected in series. The positive-sequen... read more

    Dec 06,2019 News
  • General knowledge about wire and cable construction(2)

    General knowledge about wire and cable construction(2)

    1. In the installation of single-core wires, why is it necessary to install a return line parallel to the cable after one end of the single-core cable sheath is grounded? In a power line with one end of the metal sheath of the cable grounded, in order to ensure that the voltage induced in the sheath... read more

    Dec 14,2019 News