Underground Cable Fault Distance Locator

Model: 164
8051 Microcontroller, ADC, Current Sensing, LCD, Relay Switching

Solderable DIY project kit for Engineering & Diploma students

Product of choice for Engineering & Diploma students worldwide.

Do-It-Yourself Kit :

Includes complete hardware comprising of discrete components, modules, PCB, controller etc. and tested program code for building the project. Extensive documentation for project execution including step-by-step instructions for Circuit building, Assembly procedure and Troubleshooting. (Tool kit-Multimeter, Soldering iron and program burner not included in the kit)

Rs.4,599.00 Rs.3,449.00



The objective of this project is to determine the distance of underground cable fault from base station in kilometers. The underground cable system is a common practice followed in many urban areas. While a fault occurs for some reason, at that time the repairing process related to that particular cable is difficult due to not knowing the exact location of the cable fault. The proposed system is to find the exact location of the fault.
The project uses the standard concept of Ohms law i.e., when a low DC voltage is applied at the feeder end through a series resistor (Cable lines), then current would vary depending upon the location of fault in the cable. In case there is a short circuit (Line to Ground), the voltage across series resistors changes accordingly, which is then fed to an ADC to develop precise digital data which the programmed microcontroller of 8051 family would display in kilometers.
The project is assembled with a set of resistors representing cable length in KM’s and fault creation is made by a set of switches at every known KM to cross check the accuracy of the same. The fault occurring at a particular distance and the respective phase is displayed on a LCD interfaced to the microcontroller.
Further this project can be enhanced by using capacitor in an ac circuit to measure the impedance which can even locate the open circuited cable, unlike the short circuited fault only using resistors in DC circuit as followed in the above proposed project.


Easy to use, Self-explanatory kit.

All-inclusive solution kit.

Extensive audio-visuals available.

Branding-free material.


Call/mail for Tech Support from 10 am – 7 pm.

Can be Customized for Arduino, Raspberry Pi, PIC


Hardware Requirements

  • 8051 series Microcontroller
  • LCD
  • Crystal
  • ADC
  • Switch
  • LED
  • Resistors
  • Capacitors
  • relay driver (ULN2003)
  • relay
  • Voltage Regulator
  • slide switches

Software Requirements

  • Keil compiler
  • Languages: Embedded C or Assembly

Q & A

Buyer Feedback

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  1. Rated 5 out of 5


    We came to know about edgefx is through searching keywords fault locate in google By seeing the website and calling to toll free number and they helped us in buying the project through online & the kit was delivered in time with right components. I will refer this site to our friends

  2. Rated 4 out of 5


    I got to know about edgefx through internet. I was searching my project in google then i got to know about edgefx. The keywords i used to find edgefx was underground cable fault. I have decided to buy project from edgefx was i found my project in edgefx with same similarities. So, that is why i have purchased project from edgefx. I like kit presentation. Support team has helped me in purchasing the project & the kit was delivered in time with right components.. I want to give reference to my juniors and friends.

  3. Rated 4 out of 5


    I got to know about edgefx through internet. I was searching my project in google then i got to know about edgefx.. I have decided to buy project from edgefx because i found my project title in edgefx website. I like the complete kit. the kit was delivered in time with right components.. the executive has helped me in purchasing the project. i would like to give reference to my cousin.

  4. Rated 5 out of 5


    I came to know about Edgefx through my friend. I directly typed Edgefx kits in Google.I decided to buy a kit from Edgefx by the words of my friend. And I like the complete kit.Yes the kit delivered on time with the right components.No Improvements required.

  5. Rated 5 out of 5


    I found your website on Google.I liked the details given on your website, so that I had purchased the kit. I like the documentation in CD.The kit was delivered on time.I had directly purchased the project through online.Everything is good.