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Causes and Solutions of Cable Water Ingress

Release time:

2022-04-06

Cable water intrusion refers to the situation that the interior of the cable is invaded by moisture. This kind of problem may lead to failure or even damage of electrical equipment

Cable water intrusion refers to the situation that the interior of the cable is invaded by moisture. This kind of problem may lead to failure or even damage of electrical equipment, and there is also a risk of electric shock. Here's how to fix water ingress in cables:

Cut off the power quickly: Once the cable is found to be flooded, cut off the power immediately. This is the most important step to avoid the risk of electric shock and further damage to electrical equipment.

Remove cables: Remove water-logged cables from electrical outlets or other connection points to prevent further damage. At the same time, cables need to be handled with care to avoid touching wires and exposed parts.

Partial interception: If only the two ends of the cable enter the water, you only need to cut off the two ends and reconnect the cable ends. If there is an obvious water inlet point in the middle, the cable needs to be cut off near the water inlet point to make an intermediate joint.

The cable head should be sealed: the sawed-off cable ends, whether they are stacked or laid, should be sealed with plastic (using a special cable gland) to prevent moisture from infiltrating.

Hot nitrogen drying treatment: use special hot nitrogen to carry out pressure drying treatment inside the cable.

Periodic inspection: Conduct pressure leakage tests on cables regularly to ensure timely understanding of cable operating status.

Four reasons for cables entering water:

Water pipe leaks: Cables are often installed near walls or floors, and if a nearby water pipe leaks, water can seep into the cable. This can happen in wet areas like kitchens, bathrooms, or laundry rooms.

Weather conditions: Extreme weather conditions, such as heavy rain, flooding or snowstorms, can cause water to enter the cable. Especially outdoors or in areas without proper protection, cables are more likely to be exposed to harsh weather.

Improper installation: The cable may not have been properly protected during installation, such as by not using a waterproof sleeve or sealant. This makes the cable vulnerable to external moisture intrusion.

Poor maintenance: If the cables have not been properly maintained for a long time, or if they are not maintained properly, it will also increase the risk of water ingress on the cables. For example, if the cable is not checked and cleaned frequently, accumulated dust and dirt can prevent proper drainage, allowing moisture to seep inside the cable.

It should be noted that water entering the cable may cause electric shock risk and equipment damage. Therefore, it is very important to take timely measures to solve the problem of cable water ingress. At the same time, when installing cables, make sure to take appropriate waterproof measures, such as using waterproof sleeves, sealants, and waterproof connectors, to reduce the risk of water entering the cables.

Key words:

Power Cable

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