Power & Control Cable

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Power cables transfer energy from a source to equipment. Control cables send signals to control the functioning of equipment. Products include cables that range from 601 to 15 kV and 15.1 kV and over as well as paper power cable, portable power cable, and welding cable.

All types of solid dielectric insulated wires and cables are covered, including thermosetting (XLPE and rubber) and thermoplastic, single and multi-conductor, jacketed, sheathed, or armored for power and control applications.

Products are used for the transmission and distribution of electrical energy for normal conditions of installation and service, either indoors, outdoors, aerial, underground, or submarine.

NEMA Members develop and advocate for industry positions related to international trade and tariffs as well as state-specific issues.

Staff Contact: Khaled Masri

As we all know, cables can be subdivided into many products such as control cables and signal cables, because of their different requirements and occasions. There are many friends who don't know the cable products, they sometimes confuse the two cables, but in fact, there is a big difference between the two cables. So what is the difference between a control cable and a signal cable?

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1. The characteristics of control cables and signal cables are different

Each core of the control cable is grounded to the rest of the core, the control cable is larger than &#;.km, and the HYAT cable is larger than &#;.km. Generally, the signal transmitted by the signal cable is very small. In order to avoid signal interference, there is a shielding layer outside the signal cable. The shielding layer of the wrapped conductor is generally conductive cloth, braided copper mesh or copper foil (aluminium), and the shielding layer needs to be grounded. External interference signals can be led into the ground by this layer to prevent interference signals from entering the inner conductor to interfere and reduce the loss of transmission signals.

2. The use of control cables and signal cables is different

Control cables are suitable for industrial and mining enterprises, energy and transportation departments, and PVC insulated and PVC sheathed control cables are used for control and protection circuits with AC-rated voltages below 450/750 volts. The sensor signal cable is used for signal transmission of various sensors and instruments. The sensor signal cable adopts silver-plated conductors and a multi-core structure to ensure that the resistance between each core is highly consistent. It can accurately transmit weak electrical signals hundreds of meters away.

3. The materials of control cables and signal cables are different

The core of the control cable is a copper core, with a nominal cross-section of 2.5 mm and below, 2 to 61 cores; 4 to 6 mm, 2 to 14 cores; 10 mm, 2 to 10 cores. The operating temperature of the control cable: is 65°C for rubber insulation, and 70°C and 105°C for polyvinyl chloride insulation. The control cables used in computer systems are generally insulated products made of polyvinyl chloride, polyethene, cross-linked polyethene and fluoroplastics. The material of the signal cable, the sophisticated metal material, on the one hand, must smoothly derive the interference signal, and the extremely thin metal wire must have sufficient anti-bending ability to prevent metal debris from affecting other electrical equipment.

In fact, there is a big difference between these two kinds of cables. Signal cables are more used to transmit data signals, and signal cables are shielded to prevent interference from external signals. The control cable is mainly used to transmit electrical signals. Generally, there is no shielding. It is suitable for PVC insulation used in industrial and mining enterprises, energy and transportation departments, and control systems for control and protection lines of equipment with AC rated voltages below 450/750 volts. Vinyl chloride sheathed control cables are used.

If you want to learn more, please visit our website signal cable vs power cable.