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Thanks everyone for your replies. I really appreciate you taking the time to read my post and write possible solutions.
David, I don't really have much unbalanced gear. Most of my equipment is balanced, but I used to get some ground noise in my audio. I've rewired some of the studio's outlets and I'm in a construction phase so I'm searching for my best options. I think I'll follow your advise on telescoping the grounds, the rane source file doesn't recommend it. But like you said, it's not the voice of God! The fellows at Metric Halo also recommend telescoping grounds, so I'll stick to this idea.
I actually brought in an electrician to see my current installation, but he didn't mention anything about the 70 amp circuit braker. In fact I didn't like his input and I'm certainly calling someone else. I assume this oversized circuit braker is there because the house used to have a very old air conditioning unit (twenty-something years old). But now it's been replaced by a new more efficient unit. So I'll need a qualified electrician to take care of all the details.
I'm aware of the circuit breaker capacity/wire gauge limitations, and the original plan has always been rewiring the new circuits. I already have a very old electrical panel box, and I plan to replace it with a new load center panel box. Reusing the wire installation and circuit brakers that I'm able to keep, and installing new circuits for the studio, and the computer. But the electrician's advice didn't convince me. If I have a 3 pole installation and I'm able to divide my power into:
1 - AC units for house and studio
2 - House power
3- Studio and Computer, peripherals;
Then I think I can achieve maximum circuit isolation and have a noise free, efficient power installation. (Obviously with star grounding for studio outlets)
So I need to find out my house's service entrance rating and hope to find a great electrician.
Thanks everyone,
Best regards,
Rodrigo Montfort
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