Abstract
Today, it is very challenging to manually find underground cable faults like wear and tear or rodents, because it costs more and takes more time. Finding the fault sources is also very difficult because the entire line must be dug to check for cable line faults. Our suggested system utilises an Arduino- microcontroller to help locate the fault's exact location. The standard concept of Ohm's law is applied in this system. The location of the shorted cable line determines the current flow when a low DC voltage is applied to underground cable lines at the feeder end through a series resistor. The system makes use of a rectified power supply and an Arduino- microcontroller board. The Arduino - microcontroller board is interfaced with a combination of resistors and current sensing circuits. the cable's length is represented by digital data that is sent from the internal ADC device to the microcontroller and displayed on the LCD Display.
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