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Simple solution to 120vac

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Tbird man

Member
Joined
Jun 19, 2001
Location
Boone, NC a.k.a THE BOONIES
i got an old 120mm 120vac rotron whisper fan from a BIG server. the thing i love about this fan is it pushes 70 to 80 cfm with just 34-37 decebles. I was wondering how to get power to it and than it dawned on me. my PSU has a moniter power output and i have a seperate cable for my moniter so it sat useless. i just put the ends of the wire into the holes and i instantly have power and the best thing is it works on the main switch so when i turn my comp off it goes off too. NO SEPERATE SWITCHES OR RELAYS!!!! i hope this helps someone.
 

SharkyTM

Member
Joined
Mar 9, 2001
Location
Ithaca, NY
i'd be cafeful when attaching a fan to the psu's monitor out port.... fans create a pulsing in the AC, much the same as DC... might cause problems with the PSU...

Sharkytm
 

Mord-Sith

Member
Joined
Apr 4, 2001
It would be alot safer to just use a relay. Get a 12v relay from radioshack A 275-233 (radioshack part number) will work fine. A relay is just a power activated switch. Wire the coil into a spare 12v power connector, or us a Y adapter to make a pass through.

Well if you actualy want to do it just email me and Ill walk you through it.
 
OP
Tbird man

Tbird man

Member
Joined
Jun 19, 2001
Location
Boone, NC a.k.a THE BOONIES
yes i know how a relay works it is just SOOO much simpler to stick those wires in the socket. i opened up an old PSU of mine that i scavanged the fan out of and i saw that the moniter output just goes between the switch and the PSU so it draws power directly from the outlet not from the PSU