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What if the Insulation Thickness of the Cable is not Standard?

Sep. 19, 2019

What is the thickness of the insulation and sheath of the wire and cable? As a High Voltage Power Cable Supplier, we have the following suggestions for problems and solutions for insulation and sheathing that are too thin and too thick.

First, too thin: reduce the service life of wire and cable products

After the long-term operation, directly buried, immersed in water, exposed to the open air or easily corroded environment, the thinnest point of the sheath may be broken down due to corrosion of the external medium for a long time. In addition, in the case of XLPE Insulated Power Cable, XLPE Insulated Power Cable generates a large amount of heat when it is energized for a long time. The conductor is allowed to operate at 70 ° C, and the long-term use temperature of PVC should not exceed 65 ° C. Therefore, wire and cable are actually in the "internal and external troubles" situation.

XLPE Insulated Power Cable

XLPE Insulated Power Cable

Second, too thick: increased the difficulty of the laying process

At present, more and more environmental requirements require high-voltage cable products to have a small outer diameter. In the process of laying, it is necessary to consider leaving a gap, so as to dissipate the heat generated after the wire and cable are energized, and the thickness of the sheath is too thick to increase the laying. The difficulty of the sheath, so the thickness of the sheath is strictly in accordance with the relevant standards, otherwise, it can not protect the wire and cable. Nor can you blindly pursue its thickness.

Our company specializes in providing Power Cable. The quality of our products is guaranteed. If you want to know more details, please feel free to contact us.


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