Wire and cable believe that everyone is not strange, but you know how to buy wire and cable? Undoubtedly, the first choice must be national standard products! After all, national standard products are produced in strict accordance with national requirements, and after rigorous control, there is no need to worry about the quality of use.

We need to see. See whether there is a quality system certificate; See whether the certificate is standard; See whether there is a factory name, factory address, inspection seal, production date; See if the wire is printed with trademarks, specifications, voltage, etc. Also look at the cross section of the wire copper core, excellent copper color bright, soft color, otherwise it is defective.

In the announcement of many State grid suppliers, we can often see such a notification from cable companies: the thickness of the insulation layer of the power cable produced is not qualified. How does the thickness of the specific insulation layer not meet the standard affect the cable? What kind of sheath is qualified? How do we make qualified cables in production?

In recent years, on weak cable products fake and shoddy news emerge in endlessly, today we will look at the advantages and disadvantages of household wire how to distinguish, household wire and cable prices. How to distinguish the advantages and disadvantages of household wires?

It's true, it's true, it's true, it's true. Now the non-standard and national standard wire and cable on the market is really dazzling, some of the production of non-standard wire packaging is even more professional than the national standard, it is difficult to distinguish between true and false, then how to distinguish the true and false national standard wire, today Xiaobian will share one or two, I hope to help you buyers.

Generally speaking, the service life of wire and cable is not less than 20 years, but external factors often affect the length of its life, such as insulation layer damage, aging, corrosion, etc., in the actual use of the process, the reason for cable aging is all aspects, so how to extend the service life of the cable?