Adding second "dedicated" breaker box.


I am getting ready to hook up 3 20amp dedicated lines for my system and am wondering if installing a second breaker box directly off of the main line would be worth the effort. I thought this would be a better set-up than running them off the main box or a sub-panel. Thanks for the replies in advance.
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Showing 3 responses by lak

I thought the sub-panel was suppose to have it's own separate ground rod a few feet away from the ground rod for the main panel. The main ground rod and sub-panel ground should be attached with the same gauge copper wire as used from the main panel to ground rod and clamped. Is that against code and present any dangers? Would it make any improvement is sound quality?
Thanks in advance...
Sidssp,
I'm wondering what the safety concerns are? Maybe I need to rethink the way I grounded my sub-panel as described above?