What are the Differences between Low Voltage and High Voltage Cables?

March 9, 2021

Power cables are essential in distributing the needed electricity to various types of properties and buildings. Electricians are required to understand the essence of power cables to make sure that they can work with them effectively and safely.

One aspect of power cables that electricians and even property owners should know is their voltage levels. Voltage is defined as the amount of pressure that pushes electricity. And to ensure that electronic devices can run effectively, they would normally require a certain amount of voltage. Excessive voltage levels, however, can damage electronic devices and other electrical systems.

Given the varying voltage requirements of properties and buildings, professionals have to choose between low voltage and high voltage cables. To identify the right type of cables in a property, here are some of the most notable differences between low voltage and high voltage cables.

Mode of Transmission

High voltage cables are necessary to transmit electricity from one place to another. Through these cables, the efficiency of electric transfer can increase significantly compared to utilising low voltage cables. Now, since high voltage cables must push high voltage values during their operations, the areas where they are installed must be controlled and restricted to professionals only. Low voltage cables, alternatively, are used in transmitting electricity to home properties through transformers.

Intended Applications

Since low voltage cables only transfer small amounts of voltages, they can already be maximised in most domestic, commercial, and industrial properties. Low voltage cables can already supply the needed electricity to plugs, sockets, heating, lighting, home appliances, fire alarms, sound systems, security systems, and control systems. High voltage cables, on the other hand, are necessary for overhead distribution networks. They are also needed when supplying power to specialised industrial applications, generating X-rays and particle beams, and producing electrical arcs.

Accompanying Dangers

High voltage cables, as expected, are more dangerous than the low voltage ones given the high amounts of voltage they carry and transport. But apart from their high amounts of voltage, these cables can also be dangerous as they can generate more electrical arc, which can potentially harm people as well as the connected systems. They likewise produce small quantities of toxic gases, making them hazardous when it comes to human health. But despite the low amounts of voltage that the low voltage cables carry and transport, they can still be dangerous to anyone who may be in contact.

Cables and Equipment

High voltage cables can be effective in transmitting high amounts of voltages if their cables have big diameters. They likewise utilise huge motors, breakers, isolators to ensure that they can carry out their operations effectively. And since they maximise bigger components, high voltage cables are expected to be more expensive compared to the ones used for low voltage cables.

To further understand the differences between low voltage and high voltage cables, you can give us a call at Metro Pits.

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