Cryongenically treated in-wall AC power wire


I have a high end sound system and am building a new house.  I would like to have a dedicated electrical line installed for my system, to run from the electrical outlets in my music room to the breaker box.  The builder asked me how long I wanted the wire to be, which runs from the outlets to the breaker box.  I have no idea.  I could place it as close as several feet or much longer.  The wire is $20/foot.  So, here are my questions:

1.  If you want to install a dedicated electrical line for your sound system how close should the electrical outlets be to the breaker box, or does it make a difference?  In other words, is there a minimum length of cryogenically treated wire that I will want in the wall stretching from the outlets to the fuse box?

2.  I assume that using cryogenically treated wire and electrical outlets will reduce noise.  Does anyone have any experience with cryogenically treated wire?

gapperis123
Why would he ask how long you wanted wire?Length of wire should be bare minimum from recep to recep with a single home run back to panel & no extra length....Wire SIZE should be #12 unless the home run is 50’+ then I recommend upsizing to#10...Don’t use cheap generic receps either but don’t go nuts...Look at Pangea for bang for $...Also make sure lighting & power circuits are on separate phases of the panel..
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$20/foot is really steep -- one of the best in wall cables is JPS and that's $30/foot but this stuff really adds up with the long lengths most residential AC systems require. I used JPS in a prior installation but it's a bear to work with being 10AWG
https://www.thecableco.com/power-ac-in-wall-power-cord-bulk.html

Much cheaper is Synergistic Research Quantum Tunneled Romex (as I recall I paid less than $500 for a full reel) -- enquire of your favorite SR dealer and they can get it for you

As to whether these cables make a difference it's obviously next to impossible to do a real A:B but if you're doing a new in wall set up for the modest cost of the SR level solution it hardly seems worth skimping