Grounding (Was Power supply musings)

[macdonald at evenfall.com]

I have attached a small diagram just to confirm I am clear on some terms, sorry for the
poor quality.

If I understand correctly, the consensus is to connect the mains ground to the chassis
ground only, and to connect the jack grounds to the power supply ground only?

Two pieces of equipment wired this way may be connected together via a patch cable
safely and without noise?

What if the two pieces of equipment used Serge style banana patch cables which have no
shield ground?  It seems there would be no common  ground reference between the two.
Does this matter?

Thanks,

Chris M.
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