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Why are more expensive multi-core wires more popular? The reason will tell you right away

Cables are divided into single-core cables and multi-core cables. Multi-core cables are cables with multiple mutually insulated conductors in the cable outer insulating protective layer. Compared with single-core cables, multi-core cables are more flexible and hard to break the cores. It is suitable for scenarios where there is a need for curved back and forth movement after installation. TXGA multi-core wire, the original factory is straight, the transmission is stable, the signal is extremely fast and lossless, a variety of connection methods are available, enter the [product center] to buy immediately.

There is a feature when current passes through the wire: that is, the current will always concentrate on the surface of the conductor, which is the so-called "skin effect" of current. In the skin effect, the heating degree of the conductor is inversely proportional to the surface area of ​​the conductor. Under the same cross-sectional area, the total surface area of ​​the conductor of a multi-core cable is larger than that of a single-core conductor. Therefore, the degree of heat generated when the current is passed will be smaller, and thus it is safer.

The advantages of multi-core wires are good flexibility, good heat dissipation, good skin resistance, and strong load capacity. The disadvantages are poor tensile strength and easy mold breakage. Especially the joints should be handled well. Because the wire ends of the multi-core wire will be scattered, it must be crimped with a copper connector and then connected to the terminal, and a terminal can only be connected to two wires.

Although the price of plastic insulated wires of the same specification, multi-core cables will be higher than single-core cables, because one is that the process is more complicated, and the other is that the copper material is more pure. However, it is still widely used in electrical equipment, lighting circuits, household appliances, etc., and is trusted by consumers.

TXGA has been specialized in R&D and manufacturing of cable products for 15 years, and its products are widely used in all kinds of machinery and equipment. Free customization, delivery on time, welcome online consultation.