Questions tagged [bulb]

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38
votes
5answers
29k views

If a light bulb is dead, does it still consume electricity if the switch is in ON?

It's been a week since a light bulb in the bathroom died. I'm wondering if the bulb is dead, does it still consume electricity if the switch is in ON? The light is completely dead, no light ...
25
votes
9answers
102k 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 ...
21
votes
8answers
17k 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-...
20
votes
6answers
39k 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 ...
20
votes
3answers
223k 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 ...
17
votes
6answers
75k 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 ...
15
votes
6answers
177k 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. ...
12
votes
6answers
41k 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 ...
11
votes
1answer
29k 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 direction, ...
8
votes
3answers
3k views

How do I change a bulb from my recessed lighting fixture?

A light bulb went out in my storage room and to my surprise its socket and peripheral looks quite complex and all bolted into one piece, meaning I couldn't find screws which I can loose to open it. ...
8
votes
3answers
4k views

Why would a light fixture be incompatible with dimmer switches?

I'm considering buying the Aero Pure AP80-RVL, which is a recessed bathroom light/exhaust fan combo. It's important to me to be able to use a dimmer switch for the light, but the installation ...
7
votes
1answer
12k 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 ...
6
votes
2answers
25k 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.
6
votes
1answer
767 views

How can I change the bulbs in this light fixture?

I cannot, for the life of me, figure out how to open this light fixture up to change the bulbs. Help, please!
6
votes
3answers
739 views

What type of light bulb connector is this?

Hi there I have just bought this hanging lamp whose bulb connector type I cannot identify, I got it in Italy and the only thing I am sure is that the light bulb must be some kind of tube shape for it ...
6
votes
2answers
16k views

Can I use a regular E26 LED bulb as a replacement for a refrigerator light bulb?

The light bulb in my refrigerator burned out. It was a 40w incandescent appliance bulb like such: I'm wondering if there is any reason I can not put a 9watt A19 LED bulb such as this one (home depot ...
5
votes
2answers
8k 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 ...
5
votes
4answers
21k 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 ...
5
votes
5answers
12k 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 ...
5
votes
3answers
994 views

Can you help me find this bulb?

I need to replace the light bulb in my ceiling fan but the part\model number is warn off and I can't find it anywhere! I can read "Philips," "Plus," and "G5" but nothing else. Please see the attached ...
5
votes
1answer
353 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 ...
4
votes
3answers
17k views

Troubleshooting of lamp which refuses to work after bulb change

The lamp on the ceiling of my living room consists of two bulbs. One of them recently got broke, so I removed it, checked it, and bought a similar one (60 W all of them). I fixed the new one, and now ...
4
votes
4answers
20k 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 ...
4
votes
1answer
11k views

Will a non-dimmable LED work if the dimmer switch is on full?

If a dimmer switch is fitted for the room but we get non-dimmable LED lamps (GU10), I know there may be flickering problems with dimming, but will they work fine if the dimmer is turned to max?
3
votes
2answers
1k 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 ...
3
votes
1answer
2k views

What is a “JC type” light bulb?

I have a desk lamp that uses G4 bi-pin light bulbs. The socket is marked "JC G4 12V max 20W". I was wondering what the "JC" means, so I googled "JC G4" and indeed a lot of results show up, some with "...
3
votes
2answers
6k views

Are GX24Q-3 bulbs compatible with G24Q-3 bases and vice versa?

Are GX24Q-3 bulbs compatible with G24Q-3 bases and vice versa? Can a GX24Q-3 bulb be safely powered by a G24Q-3 base? Can a G24Q-3 bulb be safely powered by a GX24Q-3 base? EDIT: If not, then can a ...
3
votes
2answers
1k 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 ...
3
votes
2answers
20k views

Where can I find a replacement for a Sylvania F40CW/SS fluorescent tube?

I tried Home Depot, Batteries and Bulbs, Amazon, and just Googling it and I found nowhere that sells this kind of florescent bulb anymore: 4' Sylvania Super Saver Cool White F40CW/SS. Rapid Start 34W ...
3
votes
4answers
18k 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 ...
3
votes
1answer
3k 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 ...
3
votes
1answer
8k 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 ...
3
votes
1answer
301 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 support ...
3
votes
1answer
1k 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 ...
3
votes
2answers
3k views

How do I replace a broken halogen bulb in the recessed light in my bathroom?

First, some pictures: . I can replace the bulbs in the rest of my apartment just fine but the ones in the bathroom have a special enclosure around them that I don't know how to open. The only ...
2
votes
2answers
149 views

Help identifying possible dual pot light plug

In my kitchen, I have a number of ceiling lights that take MR16 bulbs. However, I noticed that the plugs seem to also accept another kind of bulb as well. At first, I thought these other sockets were ...
2
votes
2answers
535 views

Am I missing some obvious way to change this lightbulb?

I thought I'd be able to lift the plastic shade and angle it out of the trim, but it doesn't lift at all. It slides side-to-side a bit, but the flanges are large enough to keep it firmly behind the ...
2
votes
1answer
1k views

How should I remove this bulb?

My bathroom bulb died and I am trying to replace it, but before I can figure out what sort of bulb to buy I want to remove it so I can take it with me to the store and get an exact one. However I've ...
2
votes
1answer
1k 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
2answers
5k views

G9 LED Won't Fit In Socket

I am a little embarrassed that this question might be ridiculous, but I feel like I'm losing my mind. I purchased this wall sconce and added in a toggle switch because there's no wall switch on the ...
2
votes
3answers
2k 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. (...
2
votes
1answer
253 views

What kind of lightbulb is this? [duplicate]

I need to replace a burnt out bulb in my rental unit, but I have no clue what type of bulb this is.
2
votes
2answers
1k views

How do I change lights bulbs that are 20 feet off the ground and pointing up (in a vanity fixture)?

How do I change light bulbs that are 20 feet off the ground and pointing up (in a vanity fixture)? Does anyone know of a bulb changing kit that has some kind of arm attachment that will allow me to ...
2
votes
1answer
51 views

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

New here, so apologies in advance if my site etiquette isn't up to scratch. I've searched the site and found similar answers but the solutions don't work for me. I'm trying to remove a CFL bulb from a ...
2
votes
3answers
183 views

Light bulb sockets in ceiling fan damaged due to corrosion or arcing: Can clean to repair or must replace?

My ceiling fan has 3 light bulb sockets of roughly candelabra bulb size E12 For many years the lights have been unreliable even with new bulbs, frequently flickering on and off spontaneously or when ...
2
votes
2answers
104 views

LED Bulbs not Starting Properly

Hi: I have some undercabinet light fixtures from IKEA that each take 3 small 12V G4 size bulbs. These bulbs are about 3/4" long x 1/4" wide with two plug-in prongs at the end. The original bulbs ...
2
votes
1answer
7k views

Bulbs for dusk to dawn outdoor light fixtures

I have 3 outdoor light fixtures controlled by a simple single pole switch in my garage. They had old incandescent light bulbs in them. I replaced one with a CFL bulb and it worked fine - until the ...
2
votes
4answers
150 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 ...
2
votes
2answers
10k 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 ...
2
votes
1answer
45 views

Dimmable LED lights on a dimmer switch, they won't come on at all anymore. Do they still work?

Apologies for the wall of text in advance. I bought three 40W Energizer dimmable LED lightbulbs for a dimmer switch at home. Once I screwed them in, I noticed that when I turned on the switch, there ...