It does need to be grounded. The neutral is not code, however. I would run a separate ground wire
from the panel (assuming you have a grounding electrode present). A water pipe is good, too, if metallic
all the way into the ground. Also, when the ballast gets older (and weaker), it will operate new lamps
for a while, then not because the lamps need more umph when they get older.
On 6/15/2013 10:37 AM, sirpackyderm wrote:
Every time I replace ballast in the kitchen ceiling it works for awhile and then after a couple of years it is slow to light when the humidity gets high. Its a two bulb four foot fixture. I have been using ballasts from Lowes which seem to be good ballasts. Any recommendations? I will probably switch over to T-8 style as that seems to be the wave of the future.
My fixture is on knob and tube circuit with out a ground. I just put the ground wire on the neutral side as I have had problems just leaving it disconnected. Could the wall switch be affected by humidity? Its just a basic single pole switch.
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