11-13-14: Almarg
11-12-14: Ctsooner
I'd recommend for your electrical is to have totally separate and grounded (to earth) circuits for EACH outlet. I did that and it makes a huge difference.
11-12-14: Agear
I too have dedicated lines with with isolated earth (ionic) grounds.
Matt, I would advise against this, if I am correctly interpreting that what is being recommended is running outlet grounds to an earth connection other than the one that grounds the service panel. If that is not a correct interpretation of what is being suggested, I'm sure the others will clarify further.
Any two bit electrician could provide that counsel. Al, how do you optimize grounding, or are you one of these flat earther engineers from the 1950s who believes coat hangers are comparable to any hi end cord and any well designed power supply is enough to negate the need for power conditioning, etc? (Judging by your many posts, it seems you are not). I have conversed with multiple dudes like that on other forums, and it makes for an entertaining thread.
My ionic grounding scheme was provided by Lyncole, an engineering company out of California who typically does defense, military, and lab installations.
I think the grounding game is a very interesting subject and worthy of another thread as Al suggested. I have quite a few audio buddies who have toyed with grounding boxes (Tripoint and Entreq) to good effect. The stock engineering response is that the only reason those boxes work is poor equipment grounding schemes.