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Power Distribution Accessory Manufacturers Introduce The Selection Requirements Of Cables

As the main carrier of power transmission, wire and cable are widely used in electrical equipment, lighting circuits, household appliances, etc. The quality of wire and cable directly affects the quality of the project and the safety of consumers' lives and property. There are many types of wires on the market, and you should use the appropriate wires according to your own electricity load. Below, Power Distribution Accessory manufacturers introduce the selection requirements of cables:

1. Look at the packaging. The wires of the national standard are often made better, neat, and have a sense of quality when you hold them in your hand.
2. Open the package and take a look at the wires inside. The national standard wire of 1.5--6 square meters requires a skin thickness (insulation thickness) of 0.7mm. If it is too thick, it is non-standard, and the corresponding inner core must be Not enough, you can pull the line skin hard, the ones that are not easy to tear are generally the national standard.
3. Burn it with fire, it will be extinguished within 5s after leaving, and the one with a certain flame retardant function is the national standard line.
4. Look at the inner core, the higher the brightness of the inner core material (copper), the better the copper, and the luminosity is uniform, shiny, and has no sense of hierarchy. The national standard requires that the inner core must be made of oxygen-free copper. Non-standard ones, such as black rod copper, may have hidden dangers of accidents.
5. The country has certain requirements for the thickness of the inner core, but it is not very strict. But it's not a lot of mistakes, just a little bit, generally invisible errors.
6. For the length, the state does not force the rice to be pounded, but many manufacturers also pound the rice. The pounded rice is not necessarily the national standard, but the general national standard generally does not have the rice. Non-standard hit rice is just a means.
7. The state stipulates that there must be a certain mark on the wire. The maximum size will not exceed 500mm, and the next same mark will be printed. Generally, there are product trademarks, manufacturer names, implementation standards, etc. on it.