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Questions tagged [fluorescent]

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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.
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1answer
588 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 ...
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2answers
717 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 ...
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2answers
7k 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 ...
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3answers
15k 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 ...
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2answers
637 views

Fluorescent Without Fixture

I want to achive a very simple look with fluorescent lights. I want to hang a fluorescent tube from the ceiling with as little as possible. Was thinking maybe hanging them just in the cord to each end ...
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0answers
50 views

Can I use a ballast that is rated for four 32W T8 bulbs with a different number of 15W T8 bulbs?

If so how might I figure out how many? I don't know how the math would apply in this situation.
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1answer
2k views

How to safely wire fluorescent lighting with three prong plug on the ceiling?

Recently moved in to a new workspace with some very funky wiring. Basically, there is a flourescent light installed overhead with a three prong plug. That plug goes to a power strip also attached to ...
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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 ...
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4answers
3k views

Does a fluorescent lamp that does not light up still draw power?

First of all, I am not a native English speaker, please forgive me. I recently rented the room I am currently living in. On the ceiling there are fluorescent fixtures like the picture below (I found ...
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2answers
2k views

Can I run a T5HO ballast with significantly lower wattage T5NO bulbs?

I gather this is generally possible, as long as bulbs draw less power than the ballast can provide, but are there limits on how low you can go? I currently have an electronic ballast for 1 or 2 54W ...
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3answers
4k 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 ...
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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 ...