How do prevent the peeling of wires and cables in winter? - Jiapu Cable

How do prevent the peeling of wires and cables in winter?


In the winter, many construction workers will find that wire and cable products with good quality often have some hard lines and damaged insulation skin. Many construction workers think that it is the wire and cable product itself. There have been quality problems, and cable manufacturers have insisted that the products have been tested at the factory and are qualified products, often leading to misunderstanding between the two parties.

In fact, it is not because of the quality of the product itself, but because of the severe winter. The outer skin of wire and cable products is mostly ordinary plastic (PVC) or rubber. When they are in sub-zero environment, they will become hard. The whole wire and cable product line will be hard and brittle, resulting in a slight external force on the outer skin. There will be damage to the underside. In the winter, especially in the north, the outdoor temperature is often below zero, and the surface temperature may be lower. Therefore, if the wire and cable products are placed outdoors or directly on the surface, the skin peeling of the product may occur. 

how do we prevent the peeling of wires and cables in winter? Take the following steps from each stage -

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1. Factory transportation: When the product is loaded into the transportation vehicle, it needs to be warm and protective. For example, use a closed transport to prevent direct exposure of the product; put a layer of cushion on the product, such as bedding or other soft foam; handle gently when loading, do not rough loading, and avoid bending the product Big.

2. When arriving at the destination or at the construction site, it is best for the product supplier to station personnel for supervision to prevent rough operation when the product is unloaded.


3, storage: It is best to store the product indoors, and at the same time put a layer of insulation on the stored surface, such as wood, bedding, foam, etc., to prevent the product from being exposed to moisture, pay attention to prevent the product from directly contacting the ground. The phenomenon of scratching the outer skin of the cable is handled with care.

4. When the product is laid and installed: It is best to choose to work in the middle and afternoon when the temperature is warmer. If there are conditions, use the heater and other equipment to give the product a “hot warm-up” before use, so that the product can reach the best performance state. If it is buried, a protective layer such as cloth or foam can be placed in the cable trench. If you are wearing a tube, you must ensure that the inside and outside of the tube are smooth beforehand and will not scratch the wire. In particular, iron pipes should be noted that the purchase of qualified iron pipes may result in a large number of sharp raised points in the poor quality iron pipe, which may cause scratches on the wire sheath.


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