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Anonymous Poster #1

IE and PE Connected

03/07/2013 9:22 AM

Dear All

Our earthing system both IE and PE connected to pit any advise. is it appropriate.

REgard

Mohd
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PWSlack
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#1

Re: IE and PE connected

03/07/2013 10:36 AM

Best practice is to run separate cables for each system, and connect them together only at the earth electrode. That way, transient fault currents in the PE system don't end up knackering components connected to the IE one.

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#2

Re: IE and PE Connected

03/09/2013 12:01 PM

See this tutorial, Proper Grounding of Instrument and Control Systems in Hazardous areas

www.idc-online.com/pdf/papers/joe_zullo.pdf
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