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In summary, the earth fault loop refers to the overall fault path for electrical current to flow in the event of an electrical fault. In general terms, the lower the fault loop impedance, the greater the amount of current that will flow in the event of an electrical fault. A large amount of fault current will enable a protective device to operate quickly to isolate the fault and stop the flow of current.
Earth loop impedance testing is essential to the safety of an electrical system. Failure to perform regular loop impedance testing can result in misdiagnosis, improper installation, and catastrophic failure. Our testers offer advanced functionality that allows us to locate loops quickly and easily within a system, ensuring safety while saving time and money.