François Yves Le Gal wrote:

On Tue, 21 Mar 2006 00:54:44 +0200, Fella wrote:


What are "differential breakers"?


They are called Ground Fault Interrupters, GFI's or GFIC's on your side of
the Pond. They basically sense the current differnce between the live and
neutral wire and trigger if it becomes unbalanced by more than a few ma (5
ma +- 1 in the US specs).

More info : http://hyperphysics.phy-astr.gsu.edu...ctric/gfi.html




Thanks Francois, much appreciated.