Questions tagged [cfl]
The cfl tag has no usage guidance.
0
votes
1answer
25 views
G24Q CFL Line Voltage
I am working with a CFL that requires a ballast to fire the lamp. This lamp is a G24Q-2. The lamp has four pins on the base. I am assuming that two of the pins are for the ballast connection and the ...
0
votes
3answers
215 views
Can an electronic ballast be used for a G23 lamp?
I have a Rayton R3 UVB lamp for phototherapy. It consists of a this PL-S 9W/01/2P bulb with a G23 base, and the ballast is magnetic 120v/60hz.
I would like to swap the ballast for a 240v/50hz ballast,...
1
vote
1answer
181 views
What type of bulb is globe-shaped with coils inside?
The bulb looks like a CFL, but looks like the spiral making up the CFL doesn't actually light.
It takes AGES to light up, at first I thought it was broke, but after awhile realized that the bulb ...
0
votes
2answers
177 views
LED replacement for cicline CFL lamp [closed]
I have a ceiling fan with an FCL-30EX circline bulb. It's marked as 2700K, 30W, 120V. My main issue is that it is very dim. I would like to replace it with an equivalent of 100W if possible.
Led would ...
0
votes
1answer
392 views
What kind of freestanding lamps can I use for > 6000 lumen up-light? [closed]
I'm renting an apartment whose living room I need to light up. I currently has one lamp hanging from the ceiling, for a 4.5m x 7.5m room, and that's ridiculously insufficient (even after using an E27 ...
0
votes
0answers
179 views
What is the point of G24 CFL fixture
I have 4 recessed lights in my kitchen, all of them G24 CFL sockets. The lights currently in them are very warm colored. They came with, when we bought the home.
I would like to replace them with ...
1
vote
1answer
209 views
strange behavior from LED that replaced CFL
so, our home brand new came with CFLs pretty much everywhere (thanks, california). as they started failing, i've been trying to replace with LED bulbs where possible...and on the front porch, i tried ...
0
votes
1answer
358 views
Ceiling Fan light enclosure - CFL only lights
We have a few ceiling fans at home with an enclosed lighting. There's a sticker inside it saying 2X20W max, CFL lights only. What is the reason they are restricted to CFL light only? I tried putting ...
0
votes
2answers
3k views
How can I replace broken CFL bulb in a recessed light fixture?
I tried to replace a plug-in 4 pin CFL and ended up having the socket stuck inside the can. How I can get it out? There are two clips at both sides in the can fixture - can I push these to get the ...
3
votes
2answers
176 views
Why is CFL bulb life terrible in a three-stage off/low/high lamp?
I have a floor lamp with a three-stage turning switch: off->low->high. I use the lamp only on the high setting, but need to pass through the low setting to get there. It's rated at 150W and I've been ...
1
vote
1answer
453 views
Will an LED light bulb illuminate down on this uplight lamp?
I have this Ikea Floor Uplight lamp and I want to replace the current CFL light bulb with an LED light bulb. I'm thinking of using a Philips 433235 60 Watt Equivalent SlimStyle A19 LED Light Bulb (...
2
votes
1answer
9k views
Base of light bulb turning brown
One of my lightbulbs went out a few days ago and I was replacing it today. I found to my surprise that the base was yellowing for no apparent reason.
I found this article online: http://www....
2
votes
1answer
467 views
CFL vs LED bulbs
I would like to know the advantages and disadvantages of CFL and LED bulbs.
Is LED bulbs makes eye strain?
8
votes
2answers
71k views
Why won't a LED bulb work in a standard light fixture?
I have a wall fixture in my Brooklyn apartment's bathroom that is my only source of light. A sticker on the fixture says that it is Max 75W. The other day, the 14W / 60W equivalent CFL that was in it ...
1
vote
1answer
478 views
Can I put 42W CFL bulbs into a fixture marked as “R20 Halogen bulbs up to 50W max”?
Both the fixture and the bulbs are E26 standard medium socket; so they definitely fit.
And I'm pretty sure the wattage is fine (42w < 50w).
I'm just worried about causing a safety hazard... Would ...
3
votes
2answers
658 views
Is there such a thing as an actual 60W draw LED or CFL bulb?
CFL and LED lightbulbs are sold as being "40/60/100 watt equivalent". They're designed and sold as replacements for a certain wattage of incandescent lamp.
I have some fixtures where I want a very ...
2
votes
1answer
2k views
Why would a compact fluorescent lamp randomly turn off?
I have a CFL in a desk lamp that I keep on for several hours every day. Recently, the CFL has been randomly turning off. There is no flickering before the CFL turns off like I am used to with ...
4
votes
1answer
377 views
Why do CFLs stop buzzing when an incandescent light is added to the mix?
I have 8 CFLs in a circuit of ceiling cans all connected to the same dimmer switch. They buzz all day until I add an incandescent light to one of the cans.
Why does the buzzing stop with the ...
2
votes
3answers
2k views
Why is this light fixture with 3 bulbs giving me so much trouble?
I have a light bulb fixture on the ceiling in one room of my house that holds 3 bulbs.
The previous owner installed it to make the room extra bright, for certain work and tasks to be done here, that ...
7
votes
1answer
11k views
Why shouldn't different types of bulbs be used in the same fixture?
Why shouldn't different types of light bulbs(i.e. incandescent, LED, cfl) be used in the same fixture?
I read this under the CAUTIONS & WARNINGS section of the LED bulb packaging.
...Do not ...
2
votes
1answer
347 views
CFL bulbs flash slightly even when turned off
I've noticed in the last two houses I've lived in that CFL bulbs will periodically flash even when not turned on. It's about one flash a minute, and it's not very bright. You can only notice it when ...
2
votes
3answers
1k views
Why don't my CFL bulbs stay on in my ceiling light fixtures?
I'm having a problem in my house with CFL bulbs staying on. I have a two bulb ceiling light in the bedroom and a three bulb light in the bathroom. In the bedroom, one of the bulbs goes out after ...
5
votes
4answers
4k views
Multiple weak light bulbs vs one strong light bulb
I currently have a small room with a single CFL bulb at the center of its ceiling. The bulb lights up the whole room well enough. I encounter the problem though that when standing in front of the ...
0
votes
1answer
76 views
Why doesnt my light work at night?
I got home a few days ago after being gone for a couple months and I noticed one of the lights (CFL) in my kitchen isn't working late at night. If I try to turn it on after around 10:30 PM it almost ...
1
vote
4answers
21k views
Is it safe to convert a candelabra base in my ceiling fan to a medium base for use with larger CFL's?
I have a ceiling fan with 3 candelabra sockets.
The lighting from the incandescent bulbs is terrible.
I have these 27 watt bulbs that fit a medium socket.
I want to use this type of adapter.
...
4
votes
8answers
18k views
Will switching to LED lightbulbs make a significant difference in my electric bill?
I asked Reliance Controls about a THP103 meter that I was having trouble with. Turns out that it's not a true RMS meter and thus is unable to give you accurate readings on a CFL or LED installation. ...
7
votes
3answers
3k views
Why am I getting strange results when using a power meter to measure CFLs?
Over the years we have replaced just about every bulb in the house with a CFL. But here is the problem. Our electric bill is going up and not down. When I moved here 3 years ago we spent about $140-...
1
vote
2answers
430 views
Can CFL bulbs in a fixture with a dimmer switch damage old wiring?
Our wiring is not functioning now after using a CFL bulb in a dimmable light fixture. Is it possible that use of the CFL bulb could affect our old wiring? We may have to replace the wire leading to ...
6
votes
2answers
1k views
Does lamp maximum wattage matter for CF bulbs? [duplicate]
Say I have a table lamp that states (via a slightly scary sticker) that it takes a 60W max bulb. Of course, that was based around incandescent wattages.
Is there any risk with putting in a CF bulb ...
3
votes
3answers
25k views
How can I replace failing ballasts in recessed CFL housings if I don't have access to the attic?
I have a set of recessed CFL (4-pin) lights and a few of the ballasts are failing (CFLs fail to start randomly, even after replacing them with new sets).
They are NHPSIC-626ELAT, CFL (4-pin) fixtures....
1
vote
0answers
2k views
What new technology replacements are available for incandescent globe light bulbs for the bathroom vanity light?
I have a bathroom vanity light fixture with a row of exposed globe light bulbs. They had been burning up recently, and I was wondering if there are reliable CFL or LED globe bulbs available as a ...
0
votes
1answer
2k views
What could have caused CFL bulbs to glow during a power outage?
Recently during a storm, I lost power to my whole house. For ~30-60 seconds after losing power, 3-4 CFL bulbs continued to glow faintly. The bulbs were on different circuits, and legs of the 120/...
8
votes
4answers
13k views
Why would a CFL bulb dim by itself after 60 seconds?
I have some GE Energy Smart CFL bulbs which are advertised as "Bright from the Start". This is true, except within 60 seconds after I turn the bulbs on, they will dramatically and immeidately become ...
12
votes
5answers
16k views
Why do my new dimmable CFL bulbs hum?
I just spent $100 upgrading our dining room lighting from regular incandescent bulbs with a dimmer switch to a CFL friendly dimmer switch with specifically marked dimming capable CFL bulbs.
At full ...
11
votes
6answers
37k views
Are CFL bulbs safe for enclosed fixtures?
I just got 3 dozen CFL bulbs for free, and was planning on replacing all the non-downward exposed fixture lights in my home with these bulbs. In the past I haven't even considered switching to CFL ...
7
votes
5answers
26k views
Can I use a 23 W CFL in a fixture that's rated for a 60 W incandescent?
I have a lamp that is rated at 60 Watts for an incandescent bulb with a disclaimer to use a 13 Watt bulb instead when using a CFL replacement. Do I really need to respect that disclaimer? Would not a ...
4
votes
1answer
8k views
Is it okay that a Leviton 9860-LHG CFL lampholder has no ground wire?
For code-compliance reasons, I'm planning to replace an old-school porcelain bare-bulb light fixture in a closet with a Leviton 9860-LHG lampholder that I bought a few years ago but never got around ...
3
votes
1answer
967 views
new mini CFLs don't seem to fit/work in fixtures?
In our bathroom we have a 6 light bar over the sink, it has 6 standard edison style screw in sockets in brass plated cups, and no shades, just bare bulbs. It's very similar to this light.
Not long ...
6
votes
2answers
7k views
What are the pros and cons of LED vs CFL vs incandescent bulbs for outdoor lighting?
I'm planning to install some light on my balcony and was just wondering what would be the best choice of lamp.
I live in a relatively cold climate, and the current temperature at night is around -10°C....
2
votes
1answer
891 views
Fluorescent Lights and CFLs Take Longer to Startup in Cold
When it is colder outside, I noticed that the CFLs in my house and the fluorescent lights in my garage take longer to come on and get bright. Sometimes they flicker more. I am in Florida so coldest is ...
9
votes
1answer
13k views
What is the difference between dimmable and non-dimmable CFL bulbs?
I have a dimmable ceiling light fixture in the Dining room. I put in CFL bulbs a few months ago. It all seems to work fine, no problem. I went to a hardware store yesterday and saw that there were CFL ...
