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17
votes
3answers
3k views

Why do my led bulbs state: not for use in totally enclosed luminaires?

I recently bought some nice inexepensive LED bulbs but I noticed the warning states: (see image below) not for use in totally enclosed luminaires I am guessing that it gets too hot but I find it ...
0
votes
1answer
18 views

Replacing Dimmable Halogen Spot light with LED dimmable or non Dimmable LED spotlights

I have old fashion dimmable halogen spotlight mounted on my ceiling, and I would like to replace them with LED spot lights. My questions are: Would I have to replace the existing transformers to ...
1
vote
1answer
2k views

Is it safe to use a GU10 adapter in a E27 recessed fixture?

I've got some downlights in my kitchen that have an E27 socket and had E27 fluorescent bulbs in them: I generally dislike the light these put out and was looking to replace them with halogen spots. ...
4
votes
2answers
122 views

Help on identifying light socket? (Japanese apartment)

Bear with me if I did something wrong. Long story short, I rented a rather cheap old apartment in Japan and the main rooms didn't come equipped with light bulbs. Can anyone help me identify what type ...
7
votes
6answers
47k views

Why energy saving bulb flashes when the switch is off?

I have a energy saving spiral light bulb in my kitchen. In exactly every 27 seconds, the first segment of the bulb faintly flashes when the switch is off. And not once, repeatedly every 27 seconds. ...
18
votes
6answers
10k views

Are standard light bulb bases being phased out?

Recently we've been shopping for light fixtures, and have noticed a dramatic increase in non-standard bulbs. CFLs in particular seem to be drifting away from the common threaded base, in favor of 2-...
0
votes
1answer
26 views

Lamp not working

I have a lamp (see picture) that has stopped working. I replaced it with a new bulb and that did not help. Any guidance for a novice regarding next steps?
3
votes
4answers
79 views

What could cause a 3-bulb fixture to blink when turned off?

Two new lightbulbs(energy efficient spiral) blink rapidly when I turn OFF the switch for the 3 bulb fixture in my kitchen. House built in 1912ish. My house but previously had tenants. They only had 1 ...
1
vote
1answer
103 views

How do I change light bulb on this type of ceiling fan?

I am having trouble changing light bulbs of my ceiling fan pictured below. I took these images to home depot and no one could help me! I showed the fan to two handymen in-person and they couldn't ...
0
votes
0answers
25 views

dimmable led bulbs won't work in dimmable fixture

Our living room has 4 dimmable lights controlled by 1 switch and slider. Many years ago, we replaced the incandescent lights with fluorescent bulbs (we didn't know that fluorescent bulbs don't dim out ...
17
votes
6answers
4k views

Can I safely use a 9w LED bulb in place of a 40w incandescent?

I bought a reading lamp that on the box says: Max 1x40W The shop also sold me an LED light bulb that says: 9W=75W So my question is, can I use light bulb or not? I am confused between the 75W and the ...
2
votes
2answers
90 views

Putting a plug on a light fitting

I bought one of these: http://www.ikea.com/gb/en/catalog/products/50279373/ I would like to plug this in to the wall rather than hard wiring it in to the ceiling. Am I right in thinking I can connect ...
9
votes
6answers
22k 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 ...
4
votes
2answers
7k views

What should I do to increase the dimming range of LED bulbs?

We started doing most of our homes in LED last year. I am a big dimmer fan and would pretty much put a dimmer on any light switch. One thing that I haven't gotten down is the dimming range of the ...
1
vote
1answer
48 views

open light socket on string lights safe to use?

I have string lights in my room and my sister accidentally broke one of the bulbs. The lights are my main source of light in my room so I was wondering if I just removed the broken bulb it would all ...
7
votes
1answer
3k views

How can I change the bulb in this three-clawed, ceiling-mounted dome light fixture?

I am having trouble retrieving the light bulb in this fixture: I tried bending the claws to release the dome, but that did not work. I tried twisting the whole fixture many times in either ...
4
votes
4answers
10k views

Why are my ceiling fan light bulbs burning out quickly?

My ceiling fan light bulbs burnout frequently. From what I can tell the fan is mounted well and does not oscillate more than I would expect it to. I use GE multi-use soft white 40 watt intermediate ...
1
vote
0answers
80 views

Light bulb dimensions

I need to change some light bulbs and the process has become tremendous because I cannot find detailed size and type charts to compare against what I already have. Where could I find such a chart ...
3
votes
3answers
155 views

Voltage detected on ceiling light no matter the switch is on or off

I just moved into a new apartment and I would like to install simple ceiling light. As shown in the picture, there are two wires outside the ceiling, a blue one and a red one. The light switch ...
0
votes
1answer
54 views

Suggestion for daylight high lumen bin-pin LED bulb [closed]

Here are some photos of the fixture. I’ve been searching around for a GU24/bi-pin base daylight LED with more 1400 lumens. Amazon and HomeDepot didn’t help much. I found quite a few bi-pin ones but ...
1
vote
1answer
221 views

Why would bulbs in this DIY lamp keep burning out?

I built a light fixture out of a water pipe and some "vintage" fillament bulbs. I have a micro switch that is operated by a plumbing valve. Everything works, however, when I put 4 bulbs, 40w each, one ...
1
vote
3answers
116 views

Is it safe to mix LEDs and incandescents in a chandelier?

I've been having an issue for a while now where my chandelier light fixture installed with six Cree 60W LED replacement bulbs flickers when I raise my traditional dimmer to max brightness. As I ...
1
vote
1answer
239 views

Did I install the wrong bulb, or is there a problem with my oven?

Now as far as I know there shouldn't be any problem using a new bulb with less wattage - it will just consume less. But after the lamp in my oven recently broke, I replaced it (a 40W bulb with E14 ...
0
votes
3answers
213 views

Light bulb socket cover

Where can I get a light bulb socket cover for my never used outside flood light sockets? I don't use the light fixture, the flood lamps are too heavy to keep in the sockets as the fixture comes ...
1
vote
1answer
92 views

How to unscrew this uncommon type of screw?

The staircase light next to my flat broke down and I would like to fix it. The ceiling lamp is pictured below: I have a problem with unscrewing the screw. The screw is of rather peculiar shape with ...
0
votes
1answer
556 views

How to change compact fluorescent 4 pin bulb at 22 feet

I have compact fluorescent 4 pin bulbs that in the ceiling at 22 feet. I cannot find any bulb changing tools which I can use to reach the height using a pole. Any suggestions would be appreciated. (...
3
votes
1answer
137 views

What kind of light bulb is this?

The only engraving on the bulb I can see says "NRJ8EE" but Google searching that brings up nothing. Also, if we can't identify the bulb, is anyone able to tell if the fixture would be able to ...
2
votes
1answer
2k views

Safety of 3-Way Lightbulb That Exceeds Max Wattage Only On Highest Setting

Can you safely use a 3-way bulb (50-100-150W) for a lamp that accepts a 100W bulb maximum? Is there any fire hazard involved?
1
vote
0answers
33 views
4
votes
1answer
139 views

Can I use a CFL or LED bulb with a higher lumen output as long as I stay under the maximum wattage listed on the fixture? [duplicate]

I have a light fixture that lists the maximum bulb wattage as 60W. Right now, I have a standard incandescent bulb in place. Since there is only one light in the room, a single bulb is not bright ...
3
votes
5answers
8k views

What can I do to avoid incandescent bulbs for my 3-bulb ceiling fan, yet maintain brightness?

My ceiling fan takes 3 candelabra (E12) base bulbs for lighting. The bulb slots are labeled 75W - 125V. The fan light is dimmable and I currently use 3 60w incandescent flame tips. I plan to ...
3
votes
1answer
229 views

Why are my recessed IC lights overheating?

I was sitting in my new home with dimmable recessed incandescent lights when I noticed one light fixture "click" off and then 10 minutes later click back on. Then the fixture on the other side of the ...
2
votes
2answers
76 views

What is an A-19 light bulb or lamp?

This may sound simple to some but I bought a couple exterior light fixtures. They say only use type A-19 light bulbs or lamps. From what I guessed looking through the net I think this means no CFL ...
3
votes
2answers
9k views

What is the standard 120V light bulb screw base in the US?

I know that standard incandescent bulbs in the US use Edison screw bases, but I'm not sure which designation / number is the one which is used for prolific non-candelabra 120 volt fixtures.
0
votes
4answers
555 views

Is using CFL bulbs without a ceiling covering them bad?

. I have a ceiling with three recessed spotlights, and I just put these bulbs (11W 630 lumens) in because the others it had (2 halogen candle-type and 1 like this, 18W, don't know lumens) were 2700K, ...
2
votes
1answer
560 views

How do I determine what max 3 way bulb will be safe in my lamp?

I bought a lamp that has a metal shade. The sticker says max 60 watt but it clicks 3 times like a 3-way with the light coming on on the second click. How do I determine what max 3 way bulb will be ...
2
votes
1answer
443 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 ...
2
votes
1answer
122 views

Using LED light bulbs in a dimmer

I have this light fixture: that used halogen light bulbs (philips ecovantage, 500 lumens, 120v, PAR FLOOD25) - ll failed during the same week but one: I wanted to replace them with those LED ...
12
votes
4answers
90k views

Do I really need a special bulb in the oven?

My oven light burnt out recently. After dismantling it I found a 40W 130V "appliance" bulb with a standard Edison connector. The bulb is slightly smaller than a normal incandescent bulb. Looking for ...
2
votes
2answers
256 views

What type of bulbs dim to lowest setting?

I've got a Lutron "Plug-in lamp dimmer", Model PD-3PCL-WH, and tried several LED bulbs with it. They all said "fully dimmable" on the packaging. It works, however seems like at most it dims to about ...
0
votes
1answer
354 views

What bulb should I use in 4" recessed lights?

I have Halo H99ICAT housings with a variety of trims and am confused on what bulbs I can use. The label inside the can states that I can use specified bulbs with the following trims- 953P Black ...
6
votes
1answer
3k 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 ...
0
votes
2answers
58 views

What's the name of type of AC Circuit where you can remove an element?

There are different type of circuits, such as parallel and series. I'm wondering the name / type of the [AC] circuit where there are n number of circuit elements and even if one element is removed (...
2
votes
2answers
1k views

Did I make a mistake with this fluorescent light installation?

I bought a fluorescent light fixture with 2 light bulbs. I wanted to test if the light bulbs where good before mounting the fixture to the ceiling. So I simply plugged the cable to a 120V outlet. I ...
0
votes
2answers
4k views

Lights not working after replacing blown light bulb

Room with two recessed lights, each with a 65 watt bulb, controlled by light switch and dimmer. One of the lights blew out and the casing cracked off when I tried to remove it. When I did this the ...
2
votes
3answers
12k views

How can I tell what dimmer switch to use with LED lights?

I replaced the halogen GU10 bulbs in my kitchen with LED bulbs... I'm really pleased with the results but as the bulbs I bought are dimmable, how do I know what dimmer switch I can use? I did try ...
0
votes
1answer
97 views

Bulb size of a SYLVANIA CF13EL?

The SYLVANIA CF13EL in my bathroom vent just died. I want to replace it with an LED. There is not a lot of room in the fixture. Is the bulb equivalent to an A19? If not, what size should I get?
0
votes
1answer
638 views

Can I plug my E27 bulb directly into my wall socket

Assuming I have an E27 lightbulb such as this: http://www.wartena.com/en/light-bulbs/6-philips-spaarlamp-e27-14w-65w-8710163224138.html and I have fixed it onto a E27 mount, and perhaps wire it to a ...
5
votes
2answers
5k views

What is the silicone-like coating on CREE LED light bulbs?

I recently bought some CREE LED bulbs, the kind pictured below, and while they are the same shape as glass incandescent bulbs, they seem to have some sort of cloudy and sticky rubber coating, as if ...
3
votes
1answer
4k views

How can I hang a custom lamp from the ceiling by its cord?

I have purchased a lamp shade, which I would like to hang from the ceiling on a cord of specific color (in this case orange). I have had a previous lamp, which included the cord, which I replaced and ...