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"On Topic" Operations Management Jogging Knife Switches
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<blockquote data-quote="10 Pt" data-source="post: 2568858"><p>I have now watched the video. That was a serious dead short and I have never seen a safety disconnect box explode like that except when some technician was using a plasma cutter too close to the supply terminals. That was very similar.</p><p>If the wire lugs get loose over time I can possibly see a dead short issue but typically the motor would fail (if three phase) because a three phase motor will not start with only two hot legs supplying it It'll typically burn (melt) the terminals first and then maybe short across to ground.</p><p>That clip wasn't the norm.</p></blockquote><p></p>
[QUOTE="10 Pt, post: 2568858"] I have now watched the video. That was a serious dead short and I have never seen a safety disconnect box explode like that except when some technician was using a plasma cutter too close to the supply terminals. That was very similar. If the wire lugs get loose over time I can possibly see a dead short issue but typically the motor would fail (if three phase) because a three phase motor will not start with only two hot legs supplying it It'll typically burn (melt) the terminals first and then maybe short across to ground. That clip wasn't the norm. [/QUOTE]
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