Hazards and causes of water ingress to cables

2022/06/09

Author: Noyafa–Cable Locator Suppliers

Water hazards in cables Hazards and causes of water ingress cables Hazards caused by water in cables 1. Hazards of water in cables“water tree aging”Phenomenon, cable damage is only a matter of time, which will eventually lead to cable breakdown. 2. Reasons for water in the cable 1. When the cable is laid and stored, the cable heads at both ends are not sealed or the sealing is not good, and the water vapor penetrates into the cable. 2. During the cable laying process, the cable head is not well sealed and soaked in water, or when the cable is laid through the pipe, the outer insulation of the cable is broken and water seeps into the cable.

3. After the cable laying is completed, the cable heads at both ends are not made in time, and are exposed to the air or humid environment for a long time. 4. Local cable breakdown occurred during the operation of cable power supply, and water penetrated into the cable. In summary, the most important thing is to standardize the laying work to ensure the normal operation of the cable as much as possible.

Mark the cables well, and try to avoid the cable laying places for other types of engineering construction operations to avoid damage to the cables. 3. The solution for water in the cable 1. After the cable is laid, the cable head is made in time, and the wiring is completed to eliminate the hidden danger in the bud. 2. If only the two ends of the cable enter the water, just cut off the two ends and re-wire the cable ends.

3. If the cable has an obvious water inlet point, it is necessary to cut off the cable near the water inlet point and make an intermediate joint. 4. It is inevitable that there will be water accumulation in the outdoor cable well or cable channel. Try to fix the cable with a bracket as high as possible. 5. Use special hot nitrogen to pressurize and dry the cable inside. Generally, there is no such professional equipment.

6. Regularly carry out pressure and leakage tests on the cables to ensure timely understanding of the running status of the cables. 7. For the wet laying environment, special customized waterproof cables are used. Hazards and Causes of Water Ingress in Cables Water hazards in cables Shenzhen Noyafa Electronic Technology Co., Ltd.

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