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  • Control loop of system loop, principle of shielding type selection --Precautions for controlling cable installation and wiring

    Control loop of system loop, principle of shielding type selection --Precautions for controlling cable installation and wiring

    1. Under the eaves. The standard LAN cable can be used only when the cable is not directly exposed to sunlight or high temperature. It is recommended to use the pipe. Ultraviolet (UV)--Do not apply UV-free cables to direct sunlight.2. The outer wall. Avoid direct sunlight on the wall and human damage. Heat - The temperature of the cable in metal pipes or trunki...

    1 week ago

  • The difference between signal cable and control cable

    The difference between signal cable and control cable

    The signal cable is mainly used to transmit data signals, and the signal cable is shielded to prevent external signal interference. The signal cable is mainly not used for power supply, and the voltage is not particularly required. The wire and cable used for the information transmission system mainly includes local telephone cable, television cable, el...

    1 week ago

  • The methods to ensure the quality of control cable

    The methods to ensure the quality of control cable

    The appearance quality of the cable is very important. The first impression given to the user is the appearance quality of the product. Therefore, all good products pay attention to the appearance quality. For example, flame-retardant shielded control cables, low-smoke halogen-free control cables, and xlpe insulated control cables. For the appearan...

    1 week ago

  • Description of the difference between computer cable and fiber cable

    Description of the difference between computer cable and fiber cable

    First: There is a difference in materials. The computer cable is made of metal, most of which is a copper conductor; the fiber optic cable is made of glass fiber.       Second: there is a difference in the transmission signal. The computer cable transmits electrical signals. The optical cable transmits the optical signal. Both play th...

    1 month ago

  • Control cable shielding type

    Control cable shielding type

    (1) Switching signal, available for general shielding;(2) High-level analog signal, it is advisable to use the total shielding of the core, and if necessary, the shield of the core can be used;(3) Low-level analog signal or pulse quantity signal, it is advisable to use the partial shielding of the wire core, and if necessary, the composite total shielding...

    1 month ago

  • Control cable precautions

    Control cable precautions

    Performance characteristics1. Insulation electrical strength: 1min between conductors 1kv does not breakdown conductor and shield 1min 3kv does not breakdown2. DC resistance: 20 ° C, 0.4 mm copper wire, less than or equal to 148 Ω / km, 0.5 mm copper wire, less than or equal to 95 Ω / km.3. Working capacitance: average 52±2nF/km4. Insulation resistan...

    1 month ago

  • The difference between signal cable and control cable

    The difference between signal cable and control cable

    The signal cable is mainly used to transmit data signals, and the signal cable is shielded to prevent external signal interference. The signal cable is mainly not used for power supply, and the voltage is not particularly required. The wire and cable used for the information transmission system mainly includes local telephone cable, television cable, el...

    1 month ago

  • Low-smoke halogen-free wire and cable

    Low-smoke halogen-free wire and cable

    According to the survey and analysis, in recent years, it has been found that more than 80% of the causes of death in fire accidents are related to the smoke and toxic gases produced by the materials.With the rapid development of China's modern industry, safety and prevention measures should be more and more perfect. In many large public places, in order...

    2 months ago

  • Control cables play an increasingly important role

    Control cables play an increasingly important role

    With the increasing capacity of power supply, the rapid growth of demand for electricity, and the increasing constraints on capital and energy, and the constraints of environmental protection, demand control cables or retrofitting existing lines to further improve the power transmission capacity of the power grid, especially in economically develo...

    2 months ago

  • Control cable technical problem

    Control cable technical problem

    1. When carrying the control cable, there should be someone responsible for the division of labor. Before the shipment, the equipment should be thoroughly inspected and safety measures should be taken. When lifting the cable reel, the lifting equipment should be safe and reliable. The force should be checked before the director can be officially lifted;...

    2 months ago