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What is an electric fuse? when does the fuse blow up?​

Answer»

The fuse "blows" when the current carried EXCEEDS the rated value for an EXCESSIVE time. The higher the overload the shorter the period before the fuse blows. So, equipment which is meant to "draw" 10 amps but which has a short from phase to GROUND, so it draws, say, 100 amps, will blow its fuse in



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