On 05/02/2017 5:34 PM, Kaleb C. Striplin via Mercedes wrote:
You may recall the previous post about a couple of my 8ft t12 fixtures
flickering and not lighting fully even with new bulbs and ballasts.
So I went down and bought 4 new 4 bulb 8ft t8 fixtures. I replaced
the 2 that I was having problems with and a 3rd that had a broken
tombstone. 2 of the fixtures light right up and put out plenty of
light, the 3rd the original one that has the worst of the problems
lights up 1 of the 4 bulbs, a couple others somewhat light up, and the
4th does not seem to light up at all, all flicker badly. What is
strange is that all 4 will fire up bright for about half a second when
the switch is first turned on the it goes back to not working. What
is also strange is there are 2 circuits and 2 sets of switch for all
lights in the shop. Most of the lights will turn on with one switch or
the other, but the 2 fixtures I replaced plus a 3rd t12 fixture that I
did not mess with but works fine seem to turn on regardless of which
switch is turned on. The 3 will stay lit until both switches are
turned off. But the fixture in question that is still giving the
problems seems to lite better with little to no flickering when one of
the switches is turned off. So what do you all think is going on
here? It is driving me nuts. The 4th fixture I will wire in and
install above the work bench. I may end up adding a couple more to
get more light on one end of the shop.
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Have you checked the voltage at the troublesome light fixture?
Are the switches that you refer to side by side or in different
locations? IE - do you have a messed up 3 way switching circuit?
A lot of folks seem to have trouble wiring 3 way switches.
RB
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