Introduction to the purchase of home decoration wires

Many decoration users will always encounter many pits in the decoration process, especially the hydropower project in the shadow project. According to online data, as long as 30% of people know how to buy reassuring brand wires during decoration, most people give the purchase to ordinary decoration workers. However, once the wire is not selected, it will not only take a lot of trouble to change, but also bring great potential safety hazards to the family. Today's home improvement wire purchase pit avoidance strategy, come and have a look.

1. How to distinguish the quality of raw materials

High quality wire copper should be purplish red and shiny, while fake copper is purplish black, yellowish or white, with many impurities, and there are often wire breaks in the wire.

2. How to distinguish the quality of insulation layer

High quality insulation is not easy to deform and break when pulling. High quality insulation will not produce pungent smell when the wire is extinguished. There is no black smoke. Poor quality insulation layer will produce a lot of black smoke and pungent smell.

3. Test whether the wire is flame retardant

Extinguish the wire for 10s and observe the change of the wire after separating the open fire. If the wire does not melt and release black smoke in the extinguishment process. And no pungent taste, which shows that the wire has strong flame retardant and maintenance performance.

4. Test the current carrying capacity and temperature resistance of the wire

We put the wire on a professional wire tester_ On the, set the instantaneous current of 300 a, and observe the current carrying capacity and high temperature resistance test of the wire under high current. If the skin of the wire is intact without any change, it shows that the wire has good high temperature resistance and stronger load.

5. Identify whether the wire has identification certification

The wire quality in the current market is mixed, and the product related marks are also mixed. How can we identify the marks of these products? See whether there is a quality system certificate on the wire packaging board, whether the certificate can meet the standard, whether there is the factory name, address, inspection seal and consumption date, and whether the trademark, specification, voltage, etc. are printed on the wire.