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Help you analyze to prevent wire and cable from entering the water
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Help you analyze to prevent wire and cable from entering the water

Release time:
2018-09-05
To prevent water and cable from entering the water, the prevention should be based on the following measures:

1. The cable head should be sealed: the cable ends that are sawn off, whether stacked or laid, should be sealed with plastic to prevent moisture from penetrating.

2. After the wire is laid, it is necessary to make the cable head in time.

3. Buying cables: Manufacturers with high quality must be selected: Since the impurities and pores in the insulation are the starting point of the water tree,  the quality of the cable is very important to prevent water tree aging.

4. Strengthen the management of the cable head manufacturing process:  Once the cable enters the water, the earliest breakdown phenomenon is often the cable head, so the wire head is made well and can extend the overall life of the cable.

5. Adopting cold-shrinkable cable head: 3M company's cold-shrinkable silicone rubber cable accessories are easy to manufacture,  no need for blowtorch, no solder.

6. After the test cable head of the cable is completed: Do a high-voltage DC leakage test before putting it into operation. After that, pre-test the cable of the substation and do not test other cables.

Therefore,  everyone must pay attention to some safety issues in the daily use of the vga line, all of which are centered on safety. The above is some small measures to introduce how to prevent the water from entering the cable.

[Encyclopedia] How is the cable named?
[Encyclopedia]

[Encyclopedia] How is the cable named?

Release time:
2018-09-05
There are no strict boundaries between "wires" and "cables". In the narrow sense, it is divided into "wires" and "cables"
The difference between low oxygen copper rod and oxygen free copper rod
The

The difference between low oxygen copper rod and oxygen free copper rod

Release time:
2018-09-05
The difference between low-oxygen copper rods and oxygen-free copper rods Due to the different manufacturing methods, low-oxygen copper rods and oxygen-free copper rods have different characteristics
[Encyclopedia] How to distinguish between flame retardant and fire resistance of cable?
[Encyclopedia]

[Encyclopedia] How to distinguish between flame retardant and fire resistance of cable?

Release time:
2018-09-05
Some electrical designers have unclear the concept of flame-retardant cables and fire-resistant cables, and do not understand the structure