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mousbahoo
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Join Date: May 2010
Location: Egypt
Posts: 1

Plant Earth System

05/22/2010 1:13 AM

What is the difference between clean earth and dirty earth?

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Pathfinder Tags: clean earth dirty earth instrument instrumentation loop ground
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DVader1000
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Engineering Fields - Environmental Engineering - New Member APIX Pilot Plant Design Project - Member - New Member

Join Date: May 2007
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#1

Re: Plant earth system

05/22/2010 6:52 AM

Clean earth isn't dirty, while dirty earth isn't clean.

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Anonymous Poster
#2

Re: Plant earth system

05/26/2010 10:38 AM

The point of connection to the earth network is the only difference.
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Knowsome
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Join Date: Mar 2012
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#3

Re: Plant Earth System

12/31/2015 2:54 AM

Clean earth is normally for instrument earthing which typically having the measured impedance of ideally 1 ohm (can we really get it?). Dirty earth is normally for electrical which deals with high voltage (and current). The irony is both connections will ultimately go to the same earth that we all live on.
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