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Does solder affect voltage/amperage?

post #1 of 5
6/29/12 at 4:50pm
Thread Starter 
I'm building custom cables for two power supplies (and couldn't think of a better place to ask relating to this), and I wanted to know if solder affects voltage on a wire. If the solder goes around the wire, I'm guessing electricity "flows where there is less resistance", but say I cut the wire, and bridge both wires again with solder (forcing electricity to flow through the solder), will affect voltage? Does solder have a higher or lower resistance compared to 16AWG tinned stranded copper wire?

I'll be receiving 3 7970s (for a total 4 7970s), and my OCZ power supply only has 6 PCI-E ports, so I plan to make 4 PCI-e cables with 2 connectors each.
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post #2 of 5
6/29/12 at 4:53pm
The resistance difference, which is what you'd be changing, would be so small you'd probably need a scope to measure it. I highly doubt a off-the-shelf multimeter would even pick up the difference.

You're gonna be fine.

/electrical engineer. thumb.gif
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post #3 of 5
6/29/12 at 4:56pm
Thread Starter 
Thanks, this is the first time (and the last time) I'll be doing this, I don't even know what rosin core means lol.
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post #4 of 5
6/29/12 at 5:09pm
Quote:
Originally Posted by avattz View Post

Thanks, this is the first time (and the last time) I'll be doing this, I don't even know what rosin core means lol.

haha.

Rosin core means that rosin is in the center of the solder. It's suppose to be easier because that way you don't need to use rosin flux to clean the metal before hand.

I hate rosin and never use it. It's messy.
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post #5 of 5
7/1/12 at 6:15am
Quote:
Originally Posted by avattz View Post

Thanks, this is the first time (and the last time) I'll be doing this, I don't even know what rosin core means lol.

Sounds like a pretty awesome mod! I'd love to see some pics of this if you can swing it! Heck you could maybe even make a "How-To" guide
Quote:
Originally Posted by killabytes View Post

haha.
Rosin core means that rosin is in the center of the solder. It's suppose to be easier because that way you don't need to use rosin flux to clean the metal before hand.
I hate rosin and never use it. It's messy.

agreed, rosin is nasty stuff. ive always used rosin core solder and never solder + rosin separately
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