...Home Depot/Loew's. I recall some is available in something called irrigation-system wire, and some communications wire is solid 18. If 18g. sounds a little thin to you, double it for 15g.I had some old Audioquest speaker cable conductors and used those in 2 sizes to wire mine. That can be seen in this pic.
![](http://gallery.AudioAsylum.com/cgi/gi.mpl?u=30777&f=11_Dec_cap_dinished_800w.jpg)