Earth (isolated) ground vs. wall outlet ground.

Looking on my 200amp main panel I notice that the neutral (white) wire bus and the ground (bare copper) bus have continuity. Wouldn’t it be better if my interconnected rig had it’s own earth ground thereby isolating it from feedback from the neutral wires?

I really think there ought to be a law against audiophiles opening up their electrical service panel, because this comes up a lot. 🤣 And no, do not use a separate ground from the main panel.

How would one get feedback here? 🤣

The only way you ever see a voltage on the ground is if there is CURRENT on the ground, which only happens during a fault.

The neutral on the other hand is a current carrying conductor and therefore has the potential to rise above ground.

@erik_squires Indeed.

Great answers thanks.  But what of the grounding posts on much equipment, including grounding blocks and common grounding of equipment I have seen mentioned?  Are these only for systems with poor electrical grounding?

Interesting topic.  I've been asking myself these same questions for years.  My old sixty three year small house has all two prong outlets from an old fuse panel.  The only ground is through the wall to the ground rod(I assume) buried to this panel.  Always worried me if my system(somewhat expensive) would be protected, even with a Furman Power Conditioner/protector.  Some years ago I installed a "ground box" from a certain manufacturer in the UK, with grounds going to each piece of audio gear. Never trusted this set-up and the sound quality was no better.  Got rid of that and installed a dedicated ground rod just outside the wall near my systems outlet and ran a heavy gauge copper cable to that outlet only  New hospital grade three prong.  This set-up is working great.  Am I wrong to think that I will be protected from a lightning strike or such?  I am not an Electrician.

If you have hum in your system it probably is a ground issue. You should consult a licensed electrician. Multiple ground points can create voltage differential... bad. There are options if you are having noise problems, which often show up in older installations where multiple neutrals are tied together for expediency. Electricians are familiar with grounding problems, they can play havoc with computers. Maybe not so familiar with audiophile equipment, but many of the same issues. The ground stud is there for your convenience, Some of the older 2 wire components ground through the shield of the interconnect. When that is not sufficient, or an incomplete circuit, the ground stud, or a cover screw, can be of use. Most equipment in the phono side benefits from a physical ground, BTW, if you have hum from an older 2 wire turntable, turn the plug 180 in the outlet, realigning the neutral. Be careful, you can do worse than hurt yourself (or someone else). Consult a pro, and don't mess with the panel.