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DC 15 volt adapter question

HI,
I don't have any clue about electricity, I would like to ask a
question regarding DC adapters. How can I create 15 volt DC out of 2
adapters? Can i just join the wire together, one adapter is set so 12
Volt and the other is set to 3 Volt? Will those create 15 Volt
together in 1 joined wire?
Or any suggestion on how?

thanks so much, I really appreciate in.
 
S

Stephen J. Rush

Jan 1, 1970
0
HI,
I don't have any clue about electricity, I would like to ask a
question regarding DC adapters. How can I create 15 volt DC out of 2
adapters? Can i just join the wire together, one adapter is set so 12
Volt and the other is set to 3 Volt? Will those create 15 Volt
together in 1 joined wire?
Or any suggestion on how?

It's possible, but if you have to ask this question, you are much better
advised to find a 15-volt adapter. DC voltages in series add, but the
devil is in the details. Current ratings, regulation and polarity would
determine whether you got success or smoke.
 
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