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How to choose household cable?

November 30, 2021
1. Color: The cost-effective copper core is rose red, with a bright surface and no burrs. However, the marking quality of those wires without light and dark surfaces is not good;
 
2, insulation layer: the thinnest point and symmetrical thickness of the wire insulation layer in our country have clear data specifications, so the thickness of the reliable wire insulation layer is a symmetrical, unbiased iron core, and pressed tightly on the conductor;
 
3. Wire core: Cost-effective wire is usually produced from pure copper raw materials, and undergoes strict wire drawing, annealing and hanging wire core. Its surface should be bright, slippery, tight, flat, soft, durable and not easy to crack.