Flashover indicators

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Reliable solution to identify ground faults

NiGK's flashover indicators contribute to find the faulted towers in the quickest, safest and most accurate way. The indicators can identify the lightning on transmission cables and towers and detect the faults caused by animals and birds as well as by lightning.
In case faults happen, you can find the fault locations by checking the indicator from distance insteade of actually climbing up the towers. Additionaly, only the towers working badly show the faults so that you can find only the faulted towers quickly.

Product lineup


Ground fault indicator

This indicator detects ground faults caused not only by lightning but also by animals, etc. and then indicates the fault tower.


Distributor information

Checkmain Inc.

For questions about purchasing Flashover indicators, please contact Checkmain. (English/Korean/Japanese).


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