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Where we have found the manual of english electric make instantaneus earth fault relay?

by Guest34419  |  earlier

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Where we have found the manual of english electric make instantaneus earth fault relay?

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  1. You're looking for an explanation for GFI (ground fault interrupter) circuits, right? Wiki link below.

    These devices work by measuring the difference between the supply and return leg. If there is a difference, there is assumed to be a path to ground somewhere (fault path) so it trips a breaker. Second and third links explain this in more detail.

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