Our daily life has long been inseparable from electricity, and let us can normally use a variety of electrical appliances, electronic products is the premise of the power cord. Every home needs a lot of power cords to create a network of electricity that powers all the appliances. Without the power cord, our daily life would be a mess. It is because of its importance, so when buying, we must pay attention to the standard.

So, what criteria should be used to select power cables? First of all, normality. Try to buy in regular shopping malls, and the choice of products must have national electrician certification marks and trademarks, specifications, voltage, etc. Secondly, packaging. Drum packaging can reduce the wear of the insulation layer, and the package should have a complete certificate. And finally, weight. Good quality power box weights are within the specified range, in general, cross-section

A single strand of copper core wire with a volume of 1.5mm2 weighs between 1.8kg and 1.9kg for 100 meters.

In addition to these standards, when choosing a power line, you can cut off a section of insulation layer to see if the core is located in the middle of the insulation layer. A power line with a partial core will lead to weakness so as to avoid easy breakdown.