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Fluorescent lighting help?

M
Nov 26, 2007
405
17
18
50
Pocatello, Idaho
Anyone have experience with fluorescent lighting trouble shooting? Here is the problem:

In my kitchen I have 2 fluorescent lighting fixtures, each with 4 tubes in them, controlled by the same switch. For about a month one of the fixtures would either work perfectly or not at all (sometimes it would just go out, then come on 20 minutes later, then go off again. With no regularity. All the while the other fixture worked fine.) None of the bulbs seemed to be going out in either fixture, no dimming, flickering, or dark ends.

Well a couple days ago I flip the switch and neither fixture would work at all. I do not know what is wrong. It seems odd that one would work intermittently and now neither will work at all. Does anyone have an idea what it could be? Just odd coincidence of both ballasts going out or...????

For the record, I bought 4 new tubes and replaced all the tubes in the second fixture that went out. And I swapped the light switch for a known working one. No luck with either try. I also looked in the attic for any kind of evidence of animals or whatever tampering, nothing there.
 

montanasledder

Well-known member
Lifetime Membership
Dec 19, 2001
1,193
68
48
50
Butte Montana
Use a meter and make sure you did not lose your nuetral(white wire) should be 120v between the white wire and the Hot(black or red) I would guess lose wire nut in one of the lights
 
C
Oct 24, 2008
237
32
28
brighton, colorado
First question is how old are the lights?
If they are fairly old you probably just have a simple ballist problem nothing a trip to lowes or home depot can't fix

PM me and I will get into more detail
 
E

Ex-Member

ACCOUNT CLOSED
Mar 14, 2007
45,084
1,681
113
yeap, my guess is ballast. If they're old, i'd just replace 'em. They don't last forever.
 
R
Sep 1, 2001
1,319
68
48
Maple Grove, MN
Sounds like ballast to me. I'd bet your's is a electronic ballast, probably just a glitch. Magnetic ballast are really old and usually you can tell those by the hum they create and lack of light they allow to be put out after time.

Have you replaced the lamps just for precaution. That's the easiest and quickest way to eliminate the "easy" stuff.
 
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