What Is Low Voltage Power Cabling?
Growth in the Low Voltage Power Cabling Market
Fifty volts (V) or less is defined as low voltage. Low voltage power cables are commonly used for doorbells, garage door opener controls, heating and cooling thermostats, alarm system sensors and controls, outdoor ground lighting, household and automobile batteries. Typical low voltages are 12 V, 24 V, and 48 V. The voltage is supplied by batteries, or by a transformer that converts line voltage to a low voltage. Low voltage will not create a shock from contact. However, a high current, low voltage short circuit from something such as an automobile battery can cause an arc flash and possible burns. Low voltage systems are usually wired with telephone cable, using very small wires. Low voltage lighting systems can carry a higher amount of current, resulting in a need for larger diameter wires.
As mentioned above, while low voltage power cable often refers to what is used for wiring audiovisual and fire alarm equipment, it also describes lower voltage electric grid distribution cable, as contrasted with the high-voltage cable used on transmission lines.
A report titled “Global Low-Voltage Power Cable Market 2016-2020,” estimated that the global low-voltage power cable market will reach $150 billion by 2020. The report considered the revenue generated from end-user industries, such as power, automobile, mining, oil and gas, residential and commercial construction, and other process industries, like cement and chemicals.
The demand for low voltage power cable has been driven by the deployment of distribution transformers in distribution networks. These transformers are mainly used in the utility sector, but also the industrial and commercial sectors. In 2015, the utility sector accounted for almost 80 percent of market revenue. This trend is likely to drive the growth of the market over the forecast period. Additional driving factors for increased low voltage power cable installation are rising real estate investments and the growing construction industry.
Low voltage power cable is also being used more and more in the alternative power industry. In solar-power generation, low-voltage cables are used to connect the panel to the combiner box, inverter, and the transformer. Medium-voltage cables then connect the transformer to the substation, and then high-voltage and extra-high-voltage cables connect the substation to the electrical grid. Wind energy systems utilize low voltage cables to connect the wind turbine tower to the grid.
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