ANSWERS: 2
  • There are only three things that can happen in an electrical circuit, 1 an open such as a broken wire, 2 a .wire that allows current to flow to another location, 3 a ground that sends current to a grounded point. To find an open locate and isolate both ends of a wire. with a ohm meter check both ends of the wire. if the wire is open (broken) the meter will not show a current through that wire, Then you must trace that wire to find the broken point and either splice it or replace the wire entirely. You can also have an intermittent open where the wire is broken but at times will allow a flow and other no to. Electrical problems are a slow and often expensive problem to solve.
    • ★Stevo
      how do you trace a cable buried dierectly in the dirt?
  • Finding an open circuit fault in underground power distribution cables can be complex due to the inaccessibility of the cables. Several methods are employed to detect such faults. One of the most effective techniques is Time Domain Reflectometry (TDR), which works by sending a signal along the cable and then analyzing the reflected signal. If there is an open circuit, the signal will reflect back at that point, and the TDR can calculate the distance to the fault, allowing for precise location identification. Another method is insulation resistance testing, which measures the resistance between conductors and the ground. While this technique is often used to detect short circuits or leakage, a significant drop in resistance could indicate the presence of an open circuit, especially when considered alongside other diagnostic results. Additionally, monitoring current and voltage in the system can reveal irregularities. Visit https://electricityforum.com to get more info.

Copyright 2023, Wired Ivy, LLC

Answerbag | Terms of Service | Privacy Policy