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Cable Asylum Interconnects, speaker wire, power cords. Ask the Cable Guys. |
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Cable Asylum Interconnects, speaker wire, power cords. Ask the Cable Guys. |
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In Reply to: Re: Nope, that's an oversimplification posted by Bob Rex on March 21, 2007 at 07:45:02:
HowdyNope, it's the length and hence the voltage drop over that length. This is true for a pure sine wave, but even more of a problem with varying loads where the instantaneous current exacerbate the differences.
You don't typically have, say 6' of wire between the IEC inlet and the power transformer, this wire is in air and hence can cool easily and it's short so any voltage drop is correspondingly small. The wire on the power transformer is in an entirely different circumstance (i.e. it's a part of a transformer :) and calculating the safe current is more complicated.
Just go to your local store and check out the power cords, as you get to longer and longer lengths they use bigger and bigger gauges for the same current (or wattage) rating.
-Ted
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- Still an oversimplification - Ted Smith 09:06:00 03/21/07 (0)
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