What are the common sense of wire and cable procurement

Wire and cable as the main carrier of power transmission, widely used in electrical equipment, lighting circuits, household appliances and other aspects of its quality directly affect the quality of the project and the safety of life and property of consumers. In the market, there are many varieties of wires, according to their own electricity load to use the appropriate wire.

Some of the wires sold on the market are cheaper and more expensive. The production technology of wires is not too high, and there is not much difference between the raw materials. If the cheaper ones are too much or the quantity is not enough, the quantity is not enough. These require more attention to everyone. How to identify it? What are the common sense of wire and cable procurement? Here are some easy ways to identify each method:

1, look to see the packaging, the national standard of the wire is often done are better, neat, hand to get a sense of quality.

2, to open the package look at the wires inside, the national standard wire 1.5 ----- 6 square wire requirements is thick skin (insulation thickness) is 0.7mm, too thick is non-standard, and the corresponding inside his The core is certainly not enough, you can pull hard wire pull, it is not easy to break the general is the national standard.

3, with a bit of fire, go out within 5s extinguished, there is a certain flame retardant function for the national standard line.

4, see the inner core, the core material (copper) The higher the brightness of copper, the better, and luminosity, shiny, there is no sense of hierarchy. GB requirements of the core must use oxygen-free copper. Non-standard black rod copper, there may be hidden accidents.

5, the thickness of the core countries have certain requirements, but not very strict. But not a lot of mistakes, but a little bit small, generally with the eyes can not see the error.

6, the length of the country is not mandatory to play meters, but there are many manufacturers also hit the rice, playing rice is not necessarily a national standard, but the general national standard is not playing meters. Non-standard of playing that is only a means.

7, the state regulations must be marked with a certain line of wire, the maximum will not exceed 500mm will have the same next logo to play, the above general product trademark, manufacturer name, implementation of standards.

What are the common sense of wire and cable procurement? Some procurement sourcing knowledge about wire and cable have been introduced to everyone finished, if you also want to purchase wire and cable, please contact us!