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Wire and cable purchase points
Release time:
2024-11-14 15:25
As the main carrier of power transmission, wire and cable are widely used in electrical equipment, lighting circuits, household appliances, etc. Its quality directly affects the quality of the project and the safety of consumers' lives and property. There are many wire varieties in the market, according to their own electricity load to use the appropriate wire. Some of the wires sold on the market are cheaper and some are more expensive, and some people tend to be cheaper first. However, cheap wires often fail to achieve the performance he explained, and they may bring themselves. Many security risks. The technical content of wire production is not too high, and there is not much difference in raw materials. If it is too cheap, it will either cut corners or the quantity is not enough. How to identify it. I'll tell you several methods that are easier to identify: 1. Look at the packaging. The national standard wires are often made better, neat, and have a sense of quality in hand. 2, to open the package to see the inside of the wire, the national standard wire 1.5-6 square wire requirements is skin thickness (insulation thickness) is 0.7mm, too thick is non-standard, the corresponding his inner core is certainly not enough, the wire skin you can pull hard, not easy to tear is generally the national standard 3, burn it with fire, extinguished within 5s after leaving, have a certain flame retardant function for the national standard line. 4. Look at the inner core. The higher the brightness of the material (copper) of the inner core, the better the copper, and the luminosity is uniform, shiny, and there is no layering. The national standard requires that the inner core must use oxygen-free copper. Non-standard copper such as black rod, there may be hidden dangers of accidents. 5. The thickness of the inner core is certain in the country.
As the main carrier of power transmission, wire and cable are widely used in electrical equipment, lighting circuits, household appliances, etc. Its quality directly affects the quality of the project and the safety of consumers' lives and property. There are many wire varieties in the market, according to their own electricity load to use the appropriate wire.
Some of the wires sold on the market are cheaper and some are more expensive, and some people tend to be cheaper first. However, cheap wires often fail to achieve the performance he explained, and they may bring themselves. Many security risks. The technical content of wire production is not too high, and there is not much difference in raw materials. If it is too cheap, it will either cut corners or the quantity is not enough. How to identify it.
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Feb 28,2019
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