In wall cable


Can anyone recommend a really good in wall cable that would pull easily and be at least 12 ga. ? Needs to have a very durable long lived jacket.
4425
I am just getting ready to install two additional dedicated lines in my sound room. I bought 200 feet of this. http://www.soundstringcable.com/gen2/Bulk-Delta-3-12-High-Out-put-30-Amp-Power-Supply-Cord-Power-Cord-Cable.htm.