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  #11    
Old 04-10-2008, 10:05 AM
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Originally Posted by coolman1a View Post
Hey is there a way that i can wire my 3 fans onto the same 12v adapter? The fans arent too big and I was thinking of geting seperate wire and wire the ends of all the fans until theres only 2 wires, red and black of all the fans, as in all the red wires of all the fans connected to a single wire and then to the adapter and same thing with the black wires so that it would be like just having 1 fan, not sure if you understand but is this possible?
Anybody ???
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Old 04-10-2008, 12:38 PM
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What about the Amps? My fans are 12V 1.5A, so does this mean its possible to run 2 fans off of a 12v 3a power adapter and 1 fan off of a 12v 1.5a adapter? I think I remember that current can be split like this when u wire it up in parrallel but was wondering if anyone really knew?????
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Old 05-11-2008, 04:59 PM
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I also have a question:

12v 120mm fan. my old celly charger is a 12v output. is this safe? i dont want to cook the fan or burn the place down.
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Old 05-12-2008, 12:59 AM
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This works well for vibrator/dildo as well....for those of us that have girlfriends that can go through a drawer full off batteries in a single night....(she sure loves her toys)
thats some funny shit....
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Old 05-12-2008, 07:22 AM
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Originally Posted by Mr. Vapor View Post
I also have a question:

12v 120mm fan. my old celly charger is a 12v output. is this safe? i dont want to cook the fan or burn the place down.
As long as the total amperage draw is less than the amp output of the power supply (in this case, the charger), then yes, you'll be safe.

Most 12v power supplies are between 500mA to 1.5A and most 12v PC fan's draw less than 0.1mA, therefore with a 1.5A power supply, you'd theoretically be able to run 15000 fans off it!

So it's safe to say you could run several 120mm 12v fans off any 12V power supply without any concern.
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Old 05-12-2008, 07:26 AM
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Originally Posted by joeshmo View Post
What about the Amps? My fans are 12V 1.5A, so does this mean its possible to run 2 fans off of a 12v 3a power adapter and 1 fan off of a 12v 1.5a adapter? I think I remember that current can be split like this when u wire it up in parrallel but was wondering if anyone really knew?????
If you wire in a series, they will share the 12v - i.e. run at only 6v each and the total draw will be 1.5a.

If you wire in parallel, they will each run at 12v and the total draw will be 3a.

You want a power supply beefier than 3a though if you were to run them in parallel - you need some headroom, so something like 5 or 10a would be better.
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Old 05-12-2008, 07:28 AM
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(light and wipe) Just burn the ends of the wire with a lighter and after it catches fire blow out the flame and take a paper towel and wipe the burnt wire off fast and you will have a perfect stripped wire (takes 5 seconds )
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Old 05-12-2008, 07:36 AM
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LOL or spend $1.50 on some wire strippers

DELUXE WIRE CRIMPERS/STRIPPERS with 25 connectors - eBay (item 160237886201 end time May-13-08 07:15:55 PDT)
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  #19    
Old 01-20-2009, 06:31 AM
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i still wanna know if its possible to wire up 3 12v pc fans to one cellphone charger cable or does the power supple/charger hav to be a certain voltage to do that?
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Old 01-20-2009, 08:49 AM
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I would say look around for any friends who have old chargers rather than splice that many wires together in your grow op. That's just me though, I think I'd feel safer not having 3 fans on 1 supply.
 
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cfl, diy, fan, fans, hood, hood wiring, light, lights, own, wire, wiring

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