In copper cabling, network cable still plays a leading role. In order to ensure the reliability and stability of network transmission, it is very important to select the appropriate network cable. According to different conductor structures, network cables can be divided into single strand network cables and multi strand network cables. Next, this article will explain in detail the difference between single strand network cable and multi strand network cable, and teach you how to select the correct network cable for your application.
Single strand network cable:
Each core of a single strand network wire is composed of a single conductor, which is usually composed of bare copper wire or bare aluminum wire with a diameter of 22 ~ 24awg (American wire gauge standard). Due to the large wire diameter and good conductivity of single strand network cable, it is suitable for high-speed Ethernet applications.
Multi strand network cable:
Multi strand network cable is the most widely used network cable at present. Each core is composed of multiple thin conductors, in which the conductor is usually composed of bare copper wire or tinned copper wire (which can protect the conductor surface from oxidation). Due to the small wire diameter, compared with single strand network cable, multi strand network cable has poor conductivity and is widely used in indoor wiring, such as data center.
Single strand network cable and multi strand network cable: what's the difference?
In addition to differences in structure and conductivity, single strand network cable and multi strand network cable are also different in appearance and application:
Appearance: single strand network cable is usually used as box engineering network cable, which is generally thick, also known as hard wire, while multi strand network cable is usually used as finished network cable, which is relatively thin, also known as soft wire.
Flexibility: Although single strand network cable is not flexible and easy to break when bent, it is durable (such as corrosion resistance), so it is very suitable for home installation and outdoor and wall wiring. Multi strand network cable is composed of thin conductors with good flexibility, high flexibility and excellent bending resistance. It is not easy to break even if bent repeatedly, but has large attenuation.
Transmission performance: due to the large wire diameter and the small DC resistance of single strand network cable (the smaller the DC resistance, the better the signal transmission performance), it can support the application of longer transmission distance and higher rate. However, due to the small wire diameter and large DC resistance, multi strand network cable has large insertion loss, especially in long-distance transmission. Therefore, multi strand network cable is usually suitable for short-distance applications.
Application: single strand network cable is often used for backbone and horizontal wiring due to its excellent electrical performance (such as conductivity and electrical insulation). For example, it is installed between walls, ceilings or other areas on the same floor. Multi strand network cable is suitable for high-density and narrow space wiring due to its good bending performance, such as the connection between distribution frames and cabinets.
Cost: as can be seen from the above, each core of multi strand network cable is composed of multiple conductors, so its manufacturing process is relatively complex and its production cost is high, which is more expensive than that of single strand network cable of the same length.
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