KouklatheCat

Golden Member
Oct 23, 2000
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I want to build a bay bus for my new case. I intend on having two fans switched one 92mm on the side door and one 120mm on the top of the case. I want to put three switches in one of the empty drive bays, one switch to turn the 92mm on when needed, one to turn the 120mm on and one switch for the cold cathode I want to install. My question is since I will be having one line coming in is it okay to run the 92, the 120 and the cold cathode all on the same line in?

Thanks
 

KouklatheCat

Golden Member
Oct 23, 2000
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I was planning on running the power in line from switch to switch, each fan would have its own switch and so would the cold cathode. Would it be better to split the power in from the PS header and make a "Y" going to each switch IN?
 

cheapgoose

Diamond Member
May 13, 2002
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umm..from switch to switch? if you get power in and connect them from switch to switch, then you'd have them in series. then the power would be divided. so like if you have 2 fans in series, each fan would only get 6 volts, instead of 12. if you give each switch power straight from the power line, then they'd be in parallel, each fan would get 12volts.

so what I did was solder wires to each switch, then crimp all power wires together, and shoved it into a molex.
 

KouklatheCat

Golden Member
Oct 23, 2000
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So take the 12 volt (yelllow) line off the molex and make a three way Y, one going to each switch?