Power adapter and mounting fans - The Planted Tank Forum
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post #1 of 2 (permalink) Old 02-07-2004, 11:56 PM Thread Starter
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I found Universal Power adapter at walmart by a company called powerline to run my mini fan. the power adapter had 3 chords coming out of it and i want to know wich one i should strip ect to hook up my fan. Please help!
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post #2 of 2 (permalink) Old 03-08-2004, 03:48 AM
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It would be safe to say that you can toy around with the wires, since this is a low amp and low volt device, you will not suffer from contact with the output wires.

I would reccomend testing with a 12volt fan, but with the adaptor set at 3-6volts. Trial and error. When the fan moves, you have found the correct setting. (I am about 50% sure that one wire is common, and the other two are +.) The one in the center or with a white stripe may be the common (-)... The power adaptor allows a polarity switching which is what I think the third wire is for.
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