On Tue, 07 Jul 2009 12:29:25 -0400, wrote:


Generally speaking, you don't want anything with a motor on a GFCI. I

Huh? The reason not to put a fridge on a gfci is that if it trips all
the food can spoil.

don't think the fishtank pump motor is big enough to matter, though.
The reason I suspect the fishtank for tripping the GFCI is the
abundance of water and humidity involved. If the light fixture gets
even slightly damp, it could trip the GFCI.