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Connecting power supplies of different voltages to same ground

Posted on 2007-11-14
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Last Modified: 2013-12-11
Is it possible to connect power supplies with different voltages to the same ground or will this mess thinfs up.
Also, if I have a 9 volt battery and a 1.2 volt battery, can i connect the minus poles and drive 9v things with positive from 9 volt batt and to the common minus and 1.2 volt thins from 1.2 plus to common minus?
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Question by:keigva
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nobus earned 500 total points
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yes , you can do that; but i would NOT interconnect the devices you hook on those different PS
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by:keigva
ID: 20290470
What exactly do you mean by interconnect, sorry, my English is not so good.
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by:nobus
ID: 20290988
i cannot translate - i do not know onto what
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