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Questions tagged [fluorescent]

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2 answers
40 views

Is fluorescent tubes' starting affected by humidity? [closed]

Does humid air affect a fluorescent tube starting?
Donald Leone's user avatar
0 votes
0 answers
21 views

One Fluorescent Fitting not working in parallel

I know it's not the bulb or the ballast (it's a starterless ballast), I've swapped bulbs to a different unit in same circuit, the bulb works in both of them but both don't work at the same time, I've ...
Greg Devenney's user avatar
1 vote
1 answer
73 views

Why won't my range hood fluorescent tube stay on continuously?

The fairly new (few months in service) FEIT Electric 15 watt tube (F15T8) 18 inches long just started flashing in our 35+ year old 30-inch VentAHood. I changed the starter for a GE one in an opened ...
Jim Stewart's user avatar
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1 vote
1 answer
256 views

I’m having trouble with led tube lights replacing fluorescent tubes and still using ballasts

I replaced the old fluorescent tube bulbs with Phillips led tube lights a couple of years ago and have had problems ever since. The bulbs would turn off when they warmed up and turn back on when they ...
Randall Martin's user avatar
0 votes
1 answer
635 views

Is it possible to modify a non-shunted tombstone socket to act like a shunted socket

I have an older 4 foot fluorescent fixture (18 years old) in a laundry room that died and I assume it is because the ballast went bad (T8 one inch fluorescent tubes). I was able to locate the exact ...
bj47's user avatar
  • 3
1 vote
1 answer
69 views

Would anyone know how to fix only one of two T8 fluorescent tubes turning on?

There are two T8 fluorescent tubes and an electric T8 instant start ballast. All of the lamp holders are non-shunted. The T8 ballast has two blue wires and a red wire coming out of one side. I connect ...
Joe's user avatar
  • 11
3 votes
1 answer
5k views

Tried replacing T8 fluorescent with T8 LED, now fixture won't work

I bought a GE T8 17w LED replacement tube that claims to work in existing fixtures with electronic ballast. I suspect the source of my problem is that I failed to follow the instructions (turn off the ...
vknowles's user avatar
  • 151
7 votes
4 answers
4k views

Seeking LED replacement bulbs for the fluorescent lights in my basement

I am trying to replace the burnt out fluorescent bulbs in my basement with compatible LED lights, but I'm having trouble finding a type that works. These are the bulbs I'm replacing: This is the ...
Deric Page's user avatar
0 votes
1 answer
1k views

I just tried to change my fluorescent bulbs in garage and when I screwed one in it started arcing

I have this fluorescent light fixture in my garage that holds two 4-ft lights. I got one put in and it lit up on both ends but when I try to plug the other one in it started sparking. What could do ...
Teresa's user avatar
  • 1
2 votes
5 answers
689 views

Are the tombstone bulb sockets reusable when I convert fluorescent fixtures to LED? [closed]

I am upgrading the bulbs in an old fluorescent work light to LED bulbs. I have pulled the ballasts, and remove the starters from the Tombstones pictured below. Is it safe to use these tombstones ...
Larry G. Wapnitsky's user avatar
0 votes
2 answers
405 views

Looking for LED tube bulb that can also dim to replace fluorescent lights [closed]

I want to replace my fluorescent tube lights with LED versions. I see that some work with existing ballasts and others require the ballast to be removed. I am fine with either, but I would like them ...
John Livermore's user avatar
1 vote
1 answer
56 views

Can a fluorescent light fixture that uses T8 tubes contain both a shunted and non-shunted light base?

I used a multi-meter to check the lamp bases to see if they were shunted. Two of the four lamp bases showed they were shunted and the another two lamp bases showed they were non-shunted.
homeowner's user avatar
2 votes
1 answer
3k views

Rewiring fluorescent fixture for LED bulbs, safest way to arrange the wires?

I have two twin-bulb fluorescent fixtures with dead ballasts and I decided to rewire them for LEDs. I've seen multiple ways to do it, and I don't know what's best. Here's what I currently have: I've ...
drowninginteger's user avatar
1 vote
1 answer
958 views

Is it safe to use a 32W LED bulb in a ballast with a max bulb wattage rating of 32W?

I'm wondering if running the ballast at its maximum rated output is safe. Is it necessary to provide it with some overhead by using a higher wattage ballast? Should I get, say, a 40W ballast for my ...
Robert M.'s user avatar
  • 111
0 votes
0 answers
443 views

Changed ballast on fluorescent light and now lights take 5 minutes or longer to turn on all the way

My fluorescent light in my kitchen stopped working so my husband replaced the ballast. Now they come on but so dim you can barely see and take 5 minutes or longer to come on all the way. When I got ...
Amanda Roberson's user avatar
3 votes
4 answers
876 views

T12, 4ea 4ft lamps, 2 old ballasts. It appears two of the lamps aren't coming on. Sometimes the fixture flickers

T12, 4ea 4ft lamps, 2 old ballasts in 20-year-old fixture. It appears two of the lamps aren't coming on. Sometimes the lamps flicker. The wooden frame is attractive, so I don't want to replace the ...
Steve Kohn's user avatar
0 votes
1 answer
795 views

Ballast replacement wiring assistance

I'm a homeowner replacing an old broken fluorescent light ballast and am not 100% sure about the wiring since the number of wires and the colours have changed. Can someone confirm that my plan is ...
MarcGuay's user avatar
  • 207
3 votes
2 answers
461 views

Replacement fluorescent ballast issue - light keeps turning off

TL;DR I have replaced a ballast for a 2x70W T8 strip light. The light illuminates for <5 minutes before turning off. Flicking the light switch turns the light back on, again for <5 minutes, ...
woter324's user avatar
  • 176
5 votes
1 answer
744 views

Retrofit Fluorescent Tube Fixture with LED Tubes

I'm retrofitting the T8 fluorescent tube fixtures in my house with direct wire LED tubes. Essentially, the LED tubes come with drivers inside, so I have to remove the fluorescent lamp ballasts from ...
XYkik's user avatar
  • 83
0 votes
1 answer
163 views

I have several 4' fluorescent lamps (F40T12) and 8' fluorescent lamps (F96T12/DX) that need LED Replacements. HELP! [closed]

I am working on a job where I have several 4' fluorescent lamps (F40T12) and 8' fluorescent lamps (F96T12/DX) all from Phillips and the owners are wanting LED replacements for them. We don't know what ...
TheNewHomeOwner's user avatar
1 vote
2 answers
1k views

How can I tell whether a fluorescent tube has failed, or an electronic ballast?

The light fitting in my utility room is a 5' fluorescent tube, and it's stopped working. It's about 7 years old, with a quick starting electronic ballast. The failure has been a little odd - a ...
Chris H's user avatar
  • 6,701
1 vote
1 answer
383 views

Are there LED lights that can work with a fluorescent ballast? [closed]

Are there LED (retrofit) lights that are compatible with a 120V 14W fluorescent ballast? Or does the ballast always have to be removed?
mr blint's user avatar
  • 1,840
7 votes
5 answers
2k views

Do T9 fluorescent light bulbs last longer if they are left on? [closed]

Do fluorescent lights last longer if they are left on? I had a boss who said this, and I was wondering if it is really true. I would rather replace them with non-fluorescent, but the fixture doesn't ...
JosephDoggie's user avatar
5 votes
3 answers
9k views

Pull string on fluorescent light broke

The pull string on my fluorescent light snapped off. Below is the image of the fluorescent light fixture and the cord used to come out of round section on the side. Does anyone know if this can be ...
user3782816's user avatar
-1 votes
1 answer
149 views

same-sized alternatives to F14T12 bulb

I have two bathroom light fixtures with very old magnetic ballasts and F14T12 fluorescent bulbs. These are, of course, a 1.5-inch diameter. I've been doing some bathroom renovations and I thought this ...
Eric Marsh's user avatar
0 votes
0 answers
41 views

Replacing a ballast

I replaced a ballast in a fluorescent fixture I put a new bulb in and it turned on. I put a second new bulb in and it didn’t turn on so i twisted the first bulb so it turned off. the second bulb that ...
Jay's user avatar
  • 1
0 votes
1 answer
3k views

How to release tombstone wire without cutting? And why won't it turn?

Small light with T8 bulb. Tombstone was almost impossible to twist to get the bulb out. Why? Can the wires be removed from this style without cutting them? Tried poking small flat screwdriver around. ...
DAS's user avatar
  • 899
1 vote
3 answers
13k views

Fluorescent lamp does not rotate in socket

I need to replace two fluorescent lamps in my bathroom and neither of them would rotate in their sockets. I can twist them maybe 10 degrees or so but after that they completely stop moving. It's the ...
kvoki's user avatar
  • 113
0 votes
1 answer
319 views

Will a feed through on and off switch work with a fluorescent light?

We have a fluorescent light mounted above the kitchen sink. The on/off switch is on the light fixture and it's hard to reach. Will a feed through on and off switch work with a fluorescent light?
Madaliene Booth's user avatar
1 vote
1 answer
82 views

Fluorescent lamp issues

We have a couple of old fluorescent fixtures in our basement, each holding four 4-ft long T12 bulbs. After several weeks of slow starts, the lights finally stopped coming on in one of them so while we ...
Not_Einstein's user avatar
0 votes
1 answer
27 views

HO fluorescents not working after switching with power on

I’m curious as to why after replacing T12 HO bulbs they don’t come on if power was on when replacing. I come back hours later and they are finally on. Replace with power off and they work right away. ...
Fat Pad's user avatar
0 votes
2 answers
1k views

How do you open this fluorescent light fixture?

The blubs have flickered and gone out on this light in my kitchen. How can I open this fixture? I have taken one of the plates off but I wasn't sure is that was the right place to look. I heard a lot ...
willi's user avatar
  • 3
0 votes
1 answer
628 views

How to remove this fluorescent lamp from its fixture

tl/dr: I can't find how to release the lamp from the fixture. Not spring-loaded Non rotating I can't find a way to remove the sides I have a fluorescent lamp in my bathroom which lights up about 2 ...
Dion's user avatar
  • 3
1 vote
2 answers
63 views

Can I replace 15 amp spiral CFL lights in garage with fluorescent lights?

1978 house. Garage has two crappy spiral CFL ceiling lights on 15amp ciruit, horrible lighting in cool spectrum. Can I replace them with big fluorescent or led shop lights? I need to better lighting ...
Stay-at-home-dad's user avatar
3 votes
1 answer
3k views

LED T8 tubes overheating?

Last fall (around mid-October), I installed two LED tube lights in a fluorescent fixture--since there were three lights total, it had two LEDs and one fluorescent bulb. A few days ago, I started ...
bscohen's user avatar
  • 31
1 vote
2 answers
1k views

How to insert bulb in this fluorescent socket?

I hope someone can advise me. I'm trying to insert an F40 bulb (1.5" diameter, 4' long) into the socket shown below. With every other fluorescent socket in my home, I simply orient the two bulb pins ...
David E's user avatar
  • 13
5 votes
1 answer
6k views

Why does this fluorescent ceiling light go out after a few seconds (every time)?

I have a strange problem with a fluorescent ceiling room light. There are four small fluorescent tubes. One day for no apparent reason they all just suddenly went out. When I turned the light switch ...
uhoh's user avatar
  • 315
1 vote
1 answer
205 views

Fluorescent light only flickers when I turn it off

My fluorescent light shows no sign of life when I turn on the light switch, but will flash on one end when I am turning off the light. I've checked the ends.
neoscarecrue's user avatar
2 votes
2 answers
2k views

I broke a CFL lightbulb while unscrewing it, do I need to throw away the clothes I was wearing? [closed]

I was unscrewing a compact fluorescent lightbulb this morning and it broke while it was unscrewing it. A few chunks of glass showered down, but the entire bulb didn't shatter; ultimately a few chunks ...
Andrendire's user avatar
0 votes
0 answers
56 views

Whassup with this ceiling fixture?

40W Circline fluorescent would periodically light for less than a second, but stay on when tried an hour or so later. Replaced bulb; same problem. Replaced ballast; now it lights for only about a ...
Phlup's user avatar
  • 1
2 votes
2 answers
181 views

What kind of compact fluorescent light bulb fixture is this?

I have search quite a bit to find what kind of compact fluorescent light bulb I need for this recessed can light? It is in a bathroom above a tub. I have include a picture of the base looking into ...
SpecialK's user avatar
3 votes
2 answers
17k views

Replaced fluorescent tubes with LED tubes, the LEDs only turn on when tapped

I bought FEIT replacement LED tubes at Costco, item number T48/840/LED/2, and swapped them in for fluorescent tubes (the thinner style). When I switch them on, the pairs of LEDs barely illuminate. ...
Sam Firke's user avatar
  • 147
2 votes
2 answers
143 views

Option for some light between broken fluorescent lights and new LED recessed lights

I'm working to fix our our basement - nothing top of the line / dream basement - just some nice enough upgrades relative to our 1970's wood paneled basement, to enjoy a few years before we sell the ...
estee0's user avatar
  • 33
1 vote
1 answer
2k views

Fluorescent lights sometimes don't turn on

I have two T12 double-ended G13 2-pin 4 foot fluorescent lights in my bathroom. They often (maybe 1/3 of the time) won't turn on, with a very slight glow in one corner, then usually turn on after an ...
Georg's user avatar
  • 13
1 vote
2 answers
259 views

Two socket fluorescent lamp OFF switch hot / not working with single bulb

I have a two-socket fluorescent lamp. Initially only one light tube was inserted and it worked fine. At some point, it started to go off seconds after being turned on. I thought the tube went bad, so ...
Roc W.'s user avatar
  • 363
1 vote
2 answers
611 views

Fluorescent light fixture malfunction

A fluorescent light fixture in my house looks like the attached picture when I turn it on. I replaced the light tube, but no success. If I repeatedly turn it off and then on quickly, it eventually ...
Fijoy Vadakkumpadan's user avatar
3 votes
1 answer
130 views

Replace fluorescent lights with LED lights

Can I replace fluorescent lights (30W, 36" long - F30T12 H998) with LED lights?
Jeremiah's user avatar
0 votes
2 answers
492 views

fluorescent lamp messing with voltage in the house

I got a cool lamp from a yard sale, its an arm mounted desk lamp that has a giant magnifying lens in the head and a circular fluorescent tube around it so its really nice for zooming in and ...
user81993's user avatar
  • 263
1 vote
2 answers
4k views

Fluorescent Lights Turning on Slowly

I have a Philips fluorescent light fixture in my kitchen. It was installed in the mid-1990s, so it uses an electronic fast-start ballast. The lights were not turning on at all, so I replaced the ...
GTS Joe's user avatar
  • 121
2 votes
2 answers
2k views

Why does it take 20-30 seconds for a fluorescent tube to start?

One of the fluorescent lights in my apartment does nothing for long seconds or sometimes even minutes when turned on (then it surprises me when it suddenly comes on). It behaves as if there were some ...
Calmarius's user avatar