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In the Forum: Audio Discussions
In the Thread: It’s mad, mad, mad... electricity.
Post Subject: Comply with electrical codePosted by Romy the Cat on: 12/26/2011
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 clarkjohnsen wrote:
It does not take care of itself (what does?) and following the code doesn't get you there either…. Indeed, it is current leakage... but measured by the difference in potential.
Clark, you a bit simplistic understand the the notion of AC polarity. If you have one individual component in audio system then the AC polarity is matter and you can get it by measure the potential between one neutral and ground and then compare it with reversal connection. However if you have 3, 35 or 135 AC power-using components in system then the AC polarity of individual component need to be set in the same way. If all components are made by the electrical code (and in 99.99% of cases they are) then you will not have situation that one component AC polarity screw another. I NEVER saw a production component that has reversed AC polarity. I hear that some of them do but I never saw it myself. From what I saw your current leakage always was smaller in the side that complied with code. If you begin to flip individual component then the question that you face: do you need to measure the components individual or in assembly into the system. In non symmetrical systems there is no true answer to it. 
 
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