I always thought that it was nickle-coated copper...
To what advantage, I don't know.
But yeah, many people mix it up with Al...
They don't realize the main culprits of Al branch circuit cables were mobile homes and cheap housing of the 70's (late 60's?), and is reasonably modern looking NM cable rather than cotton-covered asphalt impregnated rubber!
[This message has been edited by sparky66wv (edited 09-29-2002).]
