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82/1842-20-2/4/5/9-9 Application Field and Working Principle of Multiple Conductor Cables

Multiple conductor cables are most versatile and widely used in various types of industrial applications. These cables consist of two or more insulated conductors with their corresponding insulation, sheaths and jacketing materials. The number of conductors, their size and arrangement determine the types of multiple conductor cables, and the purpose and application of each cable varies according to the characteristics of these elements.

Multiple conductor cables are used in many fields such as communication, industrial automation, instrumentation, photovoltaic (PV) systems, power distribution, and data transmission systems. Different types of constructions and features of multiple conductor cables make them suitable for their specific applications. Some of the most common types of multiple conductor cables are unshielded twisted pairs (UTP), shielded twisted pairs (STP) with both Foil and/or Braiding, coaxial cables, quad cables, and multicore cables.

Unshielded Twisted Pairs (UTP)

Unshielded twisted pairs (UTP) are one of the most widely used multiple conductor cables. These cables consist of two solid or stranded copper wires twisted together with common insulation to reduce crosstalk. UTP cables are mainly used for data transmissions such as telephone lines and Ethernet applications. Additionally, they can also be found in alarm systems, security systems, lighting and temperature control systems. UTP cables offer good signal transmission performance, low cost of installation, and come in a variety of sizes. The size of the cable is determined by the number of twisted pairs and their gauge.

Shielded Twisted Pairs (STP)

Shielded twisted pairs (STP) are multiple conductor cables that include an additional shield layer of either foil or braiding. The shield layer helps reduce interference from other electrical equipment and improves signal transmission performance. STP cables are widely used in different areas such as industrial automation, instrumentation, and industrial control systems. The selection of foil or braiding shield layer is based on the application requirements and signal transmission characteristics needed.

Coaxial Cables

Coaxial cables consist of an insulated inner conductor surrounded by a layer of copper shielding and an outer jacket. The shielding layer helps reduce the interference caused by external electromagnetic fields. Coaxial cables are most commonly used for TV signals, radio signals, and satellite signals. These cables can also be used for data transmission applications such as LAN or VSAT circuits. Additionally, coaxial cables can also be used in telephone networks and power lines. For coaxial cables, the size of the cable is determined by the diameter of the inner conductor and the thickness of the insulation shield.

Quad Cables

Quad cables are multiple conductor cables that consist of four insulated conductors twisted together. These cables are primarily used for two-way (simplex) data transmissions such as RS-485. Quad cables offer superior performance in terms of EMI protection, electrical stability and signal integrity. Additionally, they are widely used in industrial control systems, security systems, and data transmission networks. The size of quad cables is determined by the number of conductors and their gauge.

Multicore Cables

Multicore cables are multiple conductor cables consisting of two or more conductors with their own distinct insulation. These cables are used in a variety of applications such as motor control, power distribution, hard-wired networking, and data transmission. Multicore cables offer the flexibility to transmit different types of signals simultaneously. They are also capable of reducing crosstalk and interference between signals due to their separate insulations. The size of multicore cables is determined by the number of conductors, their gauge, and the type of insulation used.

Multiple conductor cables offer a wide range of options for different types of applications, providing cost-effective solutions for the data transmission and electrical power needs of industries. These cables are essential components for any type of system that requires reliable signal transmission at a reasonable cost.

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