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Old 1st Jan 2019, 1:11 pm   #26
Radio Wrangler
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Join Date: Mar 2012
Location: Fife, Scotland, UK.
Posts: 22,798
Default Re: "Elevated ground" Good idea?

The testing we did had to cove CE mark, UL, CSA etc etc. It included visual inspection of metallic earth connection to chassis. Screws not permitted, rivet was accepted. Sticking a diode/diodes in the path would have lost approvals for some markets.

Biggest ground impedance problem was softened springs in the IEC cable ends.

David
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