Many people don't know how to put wires and cables when they buy them, and they break them before they even start using them. In fact, the storage requirements are very simple.
First of all, don't just throw the entire coil of wire on the ground and ignore it. If the ground becomes damp again, the moisture can easily seep into the outer layer of the wire, and over time, the outer layer will become sticky and deteriorate. It is best to place it on a dry and ventilated shelf, leaving some space away from the wall and floor to avoid moisture.
The storage location should not be adjacent to heating or boilers that generate heat. Prolonged exposure to high temperatures can cause the outer skin of the wires to age and become brittle, and even crack before wiring. Don't directly press heavy objects on the wires. If the entire coil of wires is subjected to long-term heavy pressure, the cores inside are prone to deformation, which can lead to poor contact during subsequent use.
In addition, do not pile sharp metal scraps in the storage area. If accidentally scratched on the outer skin, the entire roll of wire will be damaged in multiple places and cannot be used normally. I usually take a look around the stored wires every one or two months, and if there are signs of stickiness or discoloration on the outer skin, I promptly move it to a more suitable place. This ensures that the wires stored for a long time will be in good condition when taken out for use.