Presence of earthing arrangements for combined protective and functional purposes.

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sivoodoo

Could someone give me an example of:

Presence of earthing arrangements for combined protective and functional purposes.

Im a bit confused!
Thanks
 
Re: Presence of earthing arrangements for combined protective and functional purposes

I would have thought that the best example would be a circuit for IT equipment that has high functional earth currents where the ring main cpc can be the protective and the functional roles
 

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