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In the Forum: Audio Discussions
In the Thread: It’s mad, mad, mad... electricity.
Post Subject: I still have my doubts….Posted by Romy the Cat on: 3/26/2011
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 manisandher wrote:
I'm actually not advocating anything to you Romy. I'm just asking whether you are bonding your dedicated ground to Neutral. If so, I can't see how cheater plugs would help in your situation - your dedicated ground and your house ground would still be connected via the Neutral. In which case, what's the point of a dedicated ground???

To understand my thinking overall, just look at how things are done on a metal-hulled yacht. Here, they have to get true isolation, or else the metal hulls would corrode over time in the sea water.
  
Mani I did try different scenario with my dedicated ground, completely insolated, capacitor couple and a few others. I did not see a lot of difference. I did not connect my own Ground to neutral as it creates ground loops. The idea to look at the metal-hulled yachts is good one but I would like to note that in yachts and what we are dealing with in Audio there are a bit different objectives.
 
I still doubt that you were, by the virtue of insulation transformer and ground, able to get what PP2000 gives but as you understand there is no ways, or even needs, to address my doubts. I just would propose to monitor if the result change with time. At least with my electricity I was not able to see my insulation transformers worked all time. You might also to discover with time, that the problem in the mains will change as time goes by and the  insulation transformers might be less effective, again, who know what you have in main in US and what make electricity to sound one day better and another day worst.
 
The Cat
 

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