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extending PSU cable length

post #1 of 9
Thread Starter 
since i made a mini search in the forum i found possible that i can extend my psu cables length ... so lets get to the question .. at the moment i have a spare psu. Can i use its cables to increase the length of my main psu ? i am not planning any huge increase .. about 5-10 cms just to help me in the cable management . The problem i face is that the old psu has a 4 pin connector for the cpu power and my new has 8 pin ( also the m/b need 8 pins ) so can i cut some wires from molex's and use em as to extend the 4 missing cables ?

thanks in advance
Iraklis
post #2 of 9
I would assume u can use any kind of wire as long as its rated properly, u could probably pick up some extension cables online if thats an option. i dont think cutting ur PSU wires and added more wire to it is safe with the power going through it.
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post #3 of 9
I don't see why it would be a problem, use the same colors and gauge if you can. I think all wires from the psu are the same gauge anyhow. If soldering just make sure you don't get a cold joint and you'll be fine.
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post #4 of 9
I take it either pre-made PSU extension cables are unavailable in your area or you prefer doing it yourself?
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post #5 of 9
Thread Starter 
its not that the problem just i dont want the big plastic from the extender in the way maybe i ill buy an extender just too be safe and remove the plastic and connect the cables 1 buy one so i bypass it
post #6 of 9
You would still have to insulate the connections so they don't ground against anything in the case if you remove the plastic connectors. If you are going the far you might as well just use heat shrink butt connectors or solder and heat shrink. Wouldn't need the extensions then. If you are going to dismantle the extensions it would be a waste to buy them instead of using wire you already have IMO.
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post #7 of 9
Thread Starter 
i read notes on the cables both from my old psu and new and the are different gauge so ill use the extender that i have ( i found that i have a spare one and its in the same gauge ) . ill wrap each cable with electric tape and sleeve it 1by 1
post #8 of 9
I extended the 6-pin power for my gpu this way, using wires from an old psu. It works just fine. Make sure you get a solid solder connection, I don't trust wire connectors. I wrapped each connection in a little electrical tape, then put heatshrink over each one, followed by a some zip ties around the whole bundle to reduce strain on the connections.

Also, use a multimeter to test for continuity and make sure you didn't cross anything, then you should be
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CPUMotherboardGraphicsRAM
AMD 955BE Gigabyte GA-770TA-UD3 Asus GTX560ti 12GB DDR3 1333 CL7 
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Spinpoint F3 750GB Seagate 1TB None Custom loop 
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E-MU 0404 USB Ultrasone DJ1 Pro Headphones 
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16GB DDR2 FB-DIMM Various Hyper 101 Hyper 101 
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post #9 of 9
Thread Starter 
yes in your case maybe both psu had the same wire gauge .. i wont risk it and iill stick with the safe road
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