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cheap, safe emergency rectifier

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nbucska

nbucska

Electrical
Joined
Jun 1, 2000
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2,191
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The old aluminum-cell: Al and Fe electrodes in e.g. borax solution. It can rectify up to 40V per cell and can't fail catastrophically. If was used for elevators before
more efficient solutions were found.
<nbucska@pcperipherals.com>
 
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