On Fri, 27 Nov 2009 17:40:49 -0700, D Yuniskis
wrote:

PeterD wrote:
On Mon, 23 Nov 2009 18:38:47 -0700, D Yuniskis
wrote:


This is how GFCI breakers work -- they watch for current "leaking"
off to ground someplace other than in the "return" conductor.

No they don't. They look for imbalanced current flow between the two
conductors.

Gee, isn't that what I *said*?

No, you didn't.

How do you get an imbalance if
current isn't *leaking* off to ground someplace other than
in the "return" conductor?

Re-read your post.