What is the role and function of low voltage cables?

I. How do low voltage cables work? Cables are used to transmit electrical or signal currents and signal voltages in conductors covered with insulation, protective layers, shields, etc. Compared with low-voltage overhead lines and low-voltage overhead insulated lines, low-voltage cable lines, though costly and difficult to lay and maintain, are widely used in low-voltage power distribution systems due to reliable operation, no columns, no land occupation, no obstruction to observation, and no external influence.

-II. How does low voltage cable function? Low-voltage cables are mainly used for transmitting and distributing electricity, and are usually used in urban underground power grids, power station lead wires, internal power supply of industrial and mining enterprises, and underwater transmission lines. At present, domestic low-voltage cables are single-core, two-core, three-core, four-core and five-core. Single-phase or three-phase lines can use single-core cables as needed. Two-core cables are used for single-phase lines. Three-phase four-wire system and three-phase four-wire system are used for three-phase four-wire system, four-wire system and five-wire system cable. Ordinary low voltage cable cores are available in 4,6,10,16,25,35,50,70,95,120,150,185,240,300,400mm cross sections.

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