A waterproof cable technical standards
- Waterproof performance standard: The cable sheath should be made of materials with excellent watertightness to achieve waterproof effect. Mandatory implementation of the core standards have GB/T2951, which provides for the cable water resistance test method and waterproof cable connector test method.
- Conductor structure standards: The conductor of the cable must comply with national and industry standards to ensure the reliability and stability of cable safety protection. Commonly used conductors include copper conductor, aluminium conductor and copper-aluminium composite conductor.
- Decorative performance standards: waterproof cable appearance of the surface of the material should be no obvious difference in finish, breakage and other changes to ensure that the surface finish and strength.
1. underwater engineering: waterproof cable is widely used in submarine cable wiring, offshore oil platforms, underwater mines and other underwater projects.
2. environmental protection: waterproof cable in waste treatment plants, chemical plants, pharmaceutical factories and other harsh environments, can ensure the normal operation of the cable, and prevent the external environment on the cable damage.
3. Building construction: waterproof cable is widely used in building construction, such as underground tunnels, underground car parks and so on.
the installation and maintenance of waterproof cable
1. Installation requirements: waterproof cable installation, should completely avoid damage to the waterproof layer and other important structures to ensure the integrity of the cable and waterproof.
2. Maintenance requirements: waterproof cable service life varies according to different materials, but usually should maintain the habit of regular maintenance, maintenance. In the maintenance process, pay attention to check the integrity of the waterproof layer, and clean up the dirt on the surface of the insulation layer and water in the hidden area to extend the service life of the cable.
the choice of waterproof cable and considerations
1. Selection points: the selection of waterproof cable should consider the environment, operating temperature, electrical requirements, bending and traction and other factors. Choosing the right waterproof cable can ensure stable operation and prolong the service life of the cable.
2. Precautions: When purchasing and using waterproof cables, be sure to choose the products of regular manufacturers to avoid the use of counterfeit and shoddy products. At the same time, read the relevant instruction manuals and labels carefully in use, and follow the correct methods of installation and maintenance.
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