Questions tagged [fluorescent]

The tag has no usage guidance.

Filter by
Sorted by
Tagged with
0
votes
2answers
1k views

Are LED retrofit bulbs more resilient to ballast problems?

My office overhead lighting currently uses fluorescent bulbs. For ~5 minutes after turning them on, lights will flicker. I diagnose this as a weak ballast. If I insert LED retrofit bulbs into this ...
1
vote
1answer
53 views

Trying to replace 1988 t12 w/ led 4ft bulbs

My question is this: I removed the t12 ballasts, and direct wired the 2 ends of the fixture, one to each wire coming from the box. I put in t8 LED bulbs. They don't light. They are Sylvania 5000k 32 w ...
0
votes
1answer
159 views

Why were both circular florescent tubes not working last night but are working this morning

We have 2 circular florescent ceiling light fixtures on a single switch. Last night neither bulb would come on. But this morning they are working fine. I had checked the circuit breaker, that was OK (...
0
votes
1answer
354 views

Why new 32W circular fluorescent light bulbs keeps getting blown?

Recently one of my ceiling light's bulb just got blown after lasting for quite a few years. I tried to replace it with a new one and the moment I turned it on, the bulb would blink once quickly say ...
5
votes
2answers
1k views

LED T8 tubes: plug-and-play or direct-wire?

I want to install some good bright LED lights in a shop. I have access to some nice fluorescent-type fixtures for cheap or free (two 4-ft T8 tubes), so I want to just use them with LED replacement ...
2
votes
1answer
913 views

Why do LED retrofit instructions say to leave the ballast in the fixture?

I'm looking at retrofitting fluorescent fixtures in my basement for single-ended LED tubes. The electrical and wiring concepts I have down; I could probably do it with my eyes closed (but anyone ...
0
votes
2answers
712 views

Fluorescent ceiling fan light single flash when switch turned on

I have a Hampton Bay CVT-54 ceiling fan and I'm seeing a very strange issue with the fluorescent ring light. When I flip light switch the light will flash momentarily then go dark. Flipping the light ...
1
vote
2answers
71 views

Power issues with old fluorescent lamp

I decided to repair an old fluorescent lamp cabinet I have but i am no electrician and have no idea how the actual system works. I bought a new lamp (T5) and a new starter so I just have to figure out ...
2
votes
2answers
3k views

Run a fluorescent fixture with fewer lamps?

I have some 3-lamp recessed fluorescent fixtures that are too bright. Can I remove one of the tubes and run them just with two lamps? Will that hurt the ballast or the remaining tubes? These are T8 ...
1
vote
0answers
30 views

Hard wire into a recessed fluorescent can

Can I /or how can I hard wire a new ceiling hanging pendant into the existing fluorescent can in my dining room. I live in a building and have no access above. Upgrade Time
3
votes
3answers
5k views

What could cause fluorescent lights to sporadically not come on?

My kitchen has 9 26W fluorescent can lights (not CFLs - they have external ballasts). Often when I turn the switch on, particularly after they've been off for at least several minutes, about 4 of ...
0
votes
1answer
670 views

Replacing fluorescent fixture with a normal tungsten lamp - wiring trouble!

I am replacing 2 fluorescent fixtures with 2 simple two-wire lamps. (The two fixtures are on one circuit - when I removed the first fluo fixture, the second one no longer lit up.) I am having ...
5
votes
1answer
1k views

How do I label fluorescent fixtures converted to LED?

I am going to replace some regular fluorescent tubes that are about to burn out with LED ones and would like to add a sticker inside the fixture to advise a future owner to not install regular ...
0
votes
1answer
2k views

How to turn the contact rings in an empty fluorescent bulb socket from closed to open?

A fluorescent bulb was improperly removed from its sockets. I am unable to turn the contact rings from the closed to the open position. I would be thankful for any advice.
0
votes
2answers
774 views

ceiling surface mount fluorescent light question

I just picked up a great deal on some 4' fluorescent ceiling mount lights for my garage. Looking at the docs from the manufacturer, they state: MOUNTING Ceiling surface mount (HO and VHO units ...
2
votes
2answers
8k views

My florescent lights need a shake or a hit to work

I have a Wave Twin Fluorescent Ceiling Light that doesn't light up in general. If I switch it on, it only lights up a very small part at one end. I need to shake it or give it a hit a couple of times ...
4
votes
3answers
16k views

Changing fluorescent tube: how many degrees to turn?

I have a broken fluorescent tube (housing is intact, but it flickers instead of lighting up properly) that I have to change (bottommost type in the image). I can turn it about 20 degrees, but it ...
1
vote
0answers
52 views
0
votes
1answer
1k views

What is this knob on this fluorescent light fitting?

Recently I tried replacing a fluorescent bulb in my garage after it failed, upon fitting the new light it wouldn't turn on and there is this knob on the side (I have been told it may be something to ...