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29 votes
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Why won't a LED bulb work in a standard light fixture?

I found the answer! @diceless set me on the right track in looking at where the foot of the bulb is connecting to the fixture. Since it was an older fixture (installed in the 80's, I think), the hot ...
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  • 589
8 votes
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Why shouldn't different types of bulbs be used in the same fixture?

For a multi-bulb fixture the LED units do not want to be in the area where high heat is generated as would be the case with incandescent or especially with halogen bulbs. CFLs have their own special ...
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  • 61k
8 votes

Why won't a LED bulb work in a standard light fixture?

I had the same problem with LED bulbs not working in a socket that an incandescent bulb worked. After making sure that the the circuit breaker was off, or the lamp was unplugged, I inserted a pair of ...
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7 votes

What type of bulb is globe-shaped with coils inside?

It's a CFL globe, but it's either a very old (early prototype) model that warms up slowly or it's simply worn out. Also, according to DoxyLover... ...the glow is starting at the ends of the ...
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  • 104k
7 votes
Accepted

Is there such a thing as an actual 60W draw LED or CFL bulb?

Yes, you're looking for lights with a high lumen output. Since LED/CFL bulbs don't convert heat to light, the wattage isn't directly proportional to the light output. As an extreme example, consider ...
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  • 27.1k
5 votes

CFL bulb burnout damaging fitting?

Many times I have found the center conductor in the light socket has flattened out, lifting that tab away from the base with the power off will usually solve the problem. I have found some “electronic”...
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  • 95.4k
4 votes

How can I replace failing ballasts in recessed CFL housings if I don't have access to the attic?

new-work Halo cans are adjustable to accommodate different ceiling height. Remove the reflector trim and the lamp. Then remove the three sheet metal screws from near the bottom of the can. Slowly work ...
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4 votes
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CFL vs LED bulbs

LEDs are better in almost every way other than price: LED Pros: Lower power consumption Longer bulb life, especially if the light is turned on and off frequently (which is hard on CFLs). Generally ...
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  • 13.7k
3 votes
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Why would a compact fluorescent lamp randomly turn off?

It's impossible to say for sure without inspecting the lamp, but it sounds like a bad CFL. Have you already checked to be sure that the bulb is screwed in securely? You could use a multimeter to ...
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  • 4,714
3 votes

How do I remove this broken CFL bulb from tiny recessed light fixture?

I've had this problem several times and the way to remove the bulb is simple. The recessed light fixture can be removed from the ceiling if while you gently pull on the outer edge of the fixture and ...
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  • 10.8k
3 votes

7 Watt CFL Socket -- is there a specific tool to close these copper prongs on wire?

The 2 holes touching, that look like a figure-8, on the side with the writing... are stab connections. You just stick a right-sized wire in the hole. The right size is typically 18 AWG solid or ...
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3 votes

Fixture globe too short for light bulb - want DIY suggestions

Sorry but that's a code violation (NEC 110.3 in El NEC nations), as it violates the instructions which came with the light and the conditions under which the light was listed by UL, CSA or relevant ...
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2 votes

CFL bulbs flash slightly even when turned off

Any leakage current will cause CFLs to flash. I had to replace my porch light timer with a relay type because the sensor in my original one used a very slight amount of current to test if the bulbs ...
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  • 714
2 votes

Will switching to LED lightbulbs make a significant difference in my electric bill?

If power costs you 11.4 cents per kwh (and that's pretty close for a lot of people), then your annual cost for power is easy to figure: a dollar a watt. Per year. Then divide by the fraction time ...
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2 votes

Why is this light fixture with 3 bulbs giving me so much trouble?

It could be that the tab at the center of one of the light sockets is not making adequate contact and this is producing an arc between the tab and the bulb. Overheating and premature failure might ...
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  • 21
2 votes

Why is this light fixture with 3 bulbs giving me so much trouble?

Do you have a picture of the cover? It seems very likely that all your problem simply relate to an overheating. Is there a chance for a better air flow (thermal ventilation)?
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  • 151
2 votes

Why do CFLs stop buzzing when an incandescent light is added to the mix?

@mbeckish is correct on making sure these are all dimmable CFLs. If they are all dimmable, then you've found one of the issues with leading edge cut R and RL dimmers. The rise time is so sharp that ...
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2 votes

What kind of freestanding lamps can I use for > 6000 lumen up-light?

You'd need sunglasses, if not welding goggles, to be in a room with 500W of LED lighting. I like the Torchiere ("floor lamp") solution the best. There are dozens of available styles, colors, and ...
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2 votes

strange behavior from LED that replaced CFL

This is G24Q, a dedicated FL mount. It means it's wired to a FL ballast and starter, has a reflector to catch omnidirectional emission pattern of a FL - basically all the infrastructure to run a FL. ...
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  • 1,398
2 votes

Can an electronic ballast be used for a G23 lamp?

The given phototherapy tube is a glow start tube with filaments. The glow starter is built into the base. Glow start tubes are usually driven with conventional magnetic ballasts. There might be also ...
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2 votes
Accepted

Base of light bulb turning brown

A compact florescent (CFL) definitely heats up and needs to have room to dissipate that heat. It is not nearly as hot (25–33%) as an equivalently bright incandescent, but the radiation pattern ...
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  • 12.1k
2 votes
Accepted

Replace G24q-1 (4-pins) with a B22 Bayonet

The ballast etc is inside the Eterna LEP13 lampholder and you can just change the lampholder or the pendant and leave the ceiling rose as it is. This is a misguided attempt under Building Regs that ...
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  • 2,613
2 votes

Replace G24q-1 (4-pins) with a B22 Bayonet

G24q-1 bulbs do not take mains voltage I agree that the 8-terminal block is the standard UK mains splice. However, there must be a ballast or driver circuit between the mains connection and the G24q ...
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2 votes

User serviceable parts inside this CFL floor lamp?

There are several different sizes of lamps that fit that pin out. The ballast is probably in the base and will have a list of compatible lamps if that is lost, many times when a lamp goes bad it can ...
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  • 95.4k
2 votes

User serviceable parts inside this CFL floor lamp?

Honestly, if it were me, I would get a 12VDC power supply... bring 12V up to the cobra head, and then put segments of high-density LED strip where that reflector is now. I'd use double density (120 ...
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1 vote

G24Q CFL Line Voltage

No sirree. Nothing like that. You may be familiar with ancient inductive ballasts where preheater 1, a starter, preheater 2 and an inductive ballast were all in series with line. (and of course ...
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1 vote

Can an electronic ballast be used for a G23 lamp?

Fluorescents are arc-discharge lights, meaning like neon where a high voltage runs the length of the tube, and that arc must be initially struck on startup. 2-pin simply means the lamp does not have ...
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1 vote

LED replacement for cicline CFL lamp

A quick search using The Google with the terms "FCL-30EX circline bulb led replacement" results in many links, although The Google prefers to search without the hyphen, "FCL30EX circline bulb led ...
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  • 9,293
1 vote

Ceiling Fan light enclosure - CFL only lights

Typically the reason for the low wattage rating is because of small gauge wire used in the fixture that would not be rated for much higher wattage/current draw required by 40 or 60 watt incandescent ...
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1 vote

How can I replace broken CFL bulb in a recessed light fixture?

That type of bulb just snaps in and out with a little pressure. It probably broke because the UV light had weakened the plastic, or because it force was applied in a sideways direction. To remove it,...
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  • 104k

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