If the UL listed "whatever your plugging in" draws less than 20 amps 12/2 is great. There will be no voltage leakage from a 50 foot run, 500 feet maybe. It depends on what else is on the circuit Since these are dedicated circuits there is no need to worry about enough amperage or voltage. Cleeds you are wayyyy off base. Whether it is 12 awg THHN in a conduit or 12/2 Romex doesn't matter. If it is a 20amp circuit, 12/2 always meets NEC Code.
What type of wire for dedicated 20A AC lines?
I’m about to have two 20A dedicated lines installed. What type of wire should I use? I know there are differences of opinion on whether to use 10 AWG or 12 AWG, however the link below makes a great case for using even 8 AWG solid core copper on longer runs like mine will be (50 ft), to ensure a lower resistance, lower voltage drop over the long run, and therefore more access to instantaneous current for my Gryphon Diablo 300. The wire would need to be stepped down to 10 AWG to connect with the receptacle. The article actually states that the thickness of the wire is more important than the fact that it is dedicated…
Assuming I want to follow this advice, which again makes sense to me, where would I find such wire to give to my electrician?
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To chime in on an update. I’ve since engaged @kingrex ’s services to spec out my AC lines and other fixes for my electrician to follow. Rex has been doing this for years and as he said above, I’ve since learned that it goes way, way beyond just the gauge of the wire… Here is what Michael Fremer of Stereophile said about Rex working with Garth Powell of Audioquest, when they and others joined forces to resolve Michael Fremer’s AC issues:
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Read p31ff here https://centralindianaaes.files.wordpress.com/2012/09/indy-aes-2012-seminar-w-notes-v1-0.pdf and call us back. |
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