Blue wrote:
I have two adjacent flourescent fixtures of two 40W bulbs each. Both
fixtures (all four lamps) went out at once. The fixtures are both
getting
120v and there is a slight humming noise from one (or both?) of the
ballasts.

Well, I can understand one of the ballasts going out but not both at once.

I'd put my money on a bad ground. Also consider that it may be getting
colder and it may be below their operating temperature.

--
Joseph E. Meehan

26 + 6 = 1 It's Irish Math