Homebrew PCBs

In a message dated 5/19/2004 8:42:21 PM Central Standard Time, 
maxq668@... writes:
For houses copper is better because it's thinner and the resistance is 
minimal.<<

Max:  True copper is better for houses, but NOT for these reasons!  Alum. 
wire of "equivalent" resistance is only slightly larger in diameter, and, as you 
said, STILL lighter in weight.  The "size" is too close to be of importance.  
The resistance of the "Romex" made with alum. was the same as the copper.  The 
reason the copper proved the only way to go is that the Alum. FAILS after a 
short time after initial installation, as I said in a previous post.  


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