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In Reply to: RE: Thanks posted by Bixby on February 03, 2021 at 20:02:31
The deal with a dedicated line is to isolate the grounds also from the house ground. To do that, you need to create a grounding system. One approach is to sink a long copper rod (8 to 12 feet?) into the earth outside your house and then connect the ground side of your dedicated line to that. Do not do anything I say without consulting a qualified electrician. Best to have a qualified electrician do the work, as well.
Follow Ups:
Thanks for the tip, Lew. I am not going that route, but if I did I would make sure my electrician was at least as knowledgeable as Mike Holt or close. Good video https://www.youtube.com/watch?v=qNZC782SzAQ
That's a rather old video now.....relatively speaking.
Any electrician shows up at your house now, they'll probably be required to drive a grounding rod (most likely two, with proper spacing.) Depending upon your local code.
Dave.
The thing I learned watching his videos is that many things folks believe is "better" (not necessarily audio related) is downright wrong or dangerous.
At least electrical physics has not changed much in 100 years unlike our appetite for new audio gear or tweaks.
And yes, I do believe there is code for driving two rods at a specific distance and separation for household power use. The thing I would not do is run a separate ground for a piece of equipment(s) that is separate and not connected to the household ground.
Separate grounding is not the only aspect to consider as beneficial. Depending on what the goal(s) is, keeping the noise generated by other electrical devices way from the AC delivery path of a single circuit that is dedicated to audio-only applications is a fundamental reason.
Providing a separate circuit for digital gear and a separate circuit for analog gear, or a separate circuit for power amplification and a separate circuit for all other audio components are options to choose from for a more intensive approach to dedicated lines.
Yes, I have found on a dedicated line that separating digital via isolation transformer based power conditioning is noticeable, when one cannot run two dedicated lines.
I suppose I need to try an experiment with an extension cord and a separate circuit to assuage any last fears of the computer and monitor affecting the audio gear.
The nice thing about keeping only a few items on a circuit is that I have been able to eliminate a very good Running Springs conditioning unit I was using in another environment.
Thanks again for the help, I think I am good for now.
May as well better-optimize the other end of the AC delivery system, too.
Check-out this post, Bixby.
See link:
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