What is the hazard of the unqualified flame-retardant cable

If we buy a flame-retardant cable protector that is unqualified, this will have a bad impact on the use and safety of the cable, and the most dangerous may be life-threatening. What does the unqualified flame-retardant cable protector bring to the cable?

First, shorten the service life of wire and cable

This is the most direct hazard. If the wire and cable are directly buried, immersed in water, exposed to the open air or corrosive environment, under the influence of external factors, if the thickness of the flame-retardant spiral protective cover is not enough, it is too thin. It is easy to destroy. If the thinnest point of the protective cover is broken, the protective cover will lose its protective effect. In addition, during the use of wire and cable, a large amount of heat will be generated when the power is applied, and the flame-retardant cable protective cover will be damaged accordingly.

Second, the difficulty of laying

The flame-retardant cable protector is thick enough to protect the cable core more effectively, but it is not the only one that is most suitable. In many environments, the requirement for high-voltage cable is small outer diameter, so that it can be left during the laying process. There is a gap, which dissipates the heat generated after the wire and cable are energized. At the same time, if the protective cover is too thick, it will affect the maximum bending of the wire and cable and increase the difficulty of laying. Therefore, the thickness of the flame-retardant cable protective cover has strict relevant standards.

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