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In Reply to: RE: budget PC for powered subwoofer? posted by boodles on July 15, 2016 at 09:34:58
It is multi stranded wire, single run. If you are going to us a ground you don't need wire as thick and stiff as the ac wires. T
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What's the difference in impedance between a 8-10AWG 6 foot run of wire and a 14awg 6 foot run of wire that would make a short to ground not quickly blow a fuse??
The ground conductor of an AC power cord should be at least the same gauge as the current carrying conductors in order to provide an instantaneous, low-impedance path to ground.
The resistance of 6 feet of 8awg is .004 ohms. The resistance of 6 feet of 14AWG is .015 ohms. An added .011 ohms or there abouts is not going to allow for the circuit breaker to blow in due time with 120AC on it??
Ok, It looks like I may have gotten that one incorrect. Not totally sure and I don't understand all the issues. Lots of equipment has no ground wire at all. Tweaker
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