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How to prevent the phenomenon of outer sheath falling off from wires and cables in winter
We know that due to the principle of thermal expansion and contraction, everything shrinks in winter. This is especially true for power lines and cables that are vital to our society, requiring careful selection of manufacturers. A good product can maintain its functionality under various extreme conditions, reflecting its quality. In winter, especially in northern regions, outdoor temperatures often fall below zero, and ground temperatures may be even lower. Therefore, if power lines and cables are placed outdoors or directly on the ground, the outer sheath may fall off.
The outer sheaths of power lines and cables are usually made of general-purpose plastic (PVC) or rubber. When exposed to sub-zero temperatures, they harden, making the entire cable stiff and brittle. This can cause the outer sheath to fall off or be damaged under minor external forces. So, how can we prevent the outer sheath of power lines and cables from falling off in winter?
1. Factory Shipment: When loading products onto transportation vehicles, warming and protective measures are required.
2. Storage: It is best to store products indoors, placing an insulating layer on the ground, such as wood, bedding, or foam, to prevent freezing and dampness. Avoid direct contact between the product and the ground to prevent scratching the outer sheath of the power cable. Handle with care.
3. Upon arrival at the destination or construction site, the product supplier should ideally assign personnel to supervise and prevent rough handling during unloading.
4. During product laying and installation: It is best to work during the warmer afternoon hours. If possible, warm the product beforehand using a warm air blower to ensure optimal performance.
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