63 votes
Accepted

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

It depends on the type of bulb. Regular incandescents won't consume any electricity if the bulb is dead, since there's no continuous path for the current to take. It's just like an open switch. ...
mmathis's user avatar
  • 8,862
41 votes
Accepted

Are there LED lamps available for ovens?

As already stated, LEDs can't take the heat. In addition: Many ovens use halogen bulbs instead of "ordinary" incandescent bulbs. These are a type of incandescent light with two key ...
manassehkatz-Moving 2 Codidact's user avatar
39 votes

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

Yes. The fixture is concerned with heat. Your LED light bulb makes about 9 watts of heat. Your fixture is rated for a bulb that makes 40 watts of heat. With an incandescent bulb, 98-99% of its ...
Harper - Reinstate Monica's user avatar
22 votes

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

SHORT ANSWER: NO PROBLEM LONG ANSWER: The maximum wattage limits are largely a function of heat. For incandescent lights, more wattage means more heat. And too much of a heat buildup could result in ...
bib's user avatar
  • 33.7k
19 votes
Accepted

Can I use an 11 watt LED bulb in a lamp rated for 8.6 watts maximum?

Usually max watts on light fixtures is for heat build up in the fixture so returning it and getting a lower wattage one is the best. Besides the possible chance of the fixture melting or burning, LED ...
crip659's user avatar
  • 24.5k
16 votes

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

Here is what the process of pulling the cover down will look like. The bulb is inside. If you can't get your fingers around it to unscrew it and need to use the suction cup, you can squeeze the spring ...
JRaef's user avatar
  • 15k
13 votes

Are standard light bulb bases being phased out?

Five years gone, here's the situation in America today: March 2016. Or rather, shops near Berkeley, California, which had a big hand in development of the CFL. Target. Incandescent bulbs (...
Harper - Reinstate Monica's user avatar
13 votes

Are there LED lamps available for ovens?

Not gonna happen. Can't take the heat. Those consumer products one calls an "LED light bulb" is a built consumer product made of components - case, heat sink, electronics and an array of ...
Harper - Reinstate Monica's user avatar
12 votes
Accepted

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

Try grabbing the trim ring underneath the edges and pulling straight down. They usually have a springy bracket that holds them in place. Once down, the bulb will be exposed.
JACK's user avatar
  • 80.5k
11 votes

Are there LED lamps available for ovens?

I think it's unlikely that this is possible. The environment in the oven in quite mild compared with an incandescent lamp, but LEDs, being semiconductor devices generally don't function well above ...
jwh20's user avatar
  • 23.3k
9 votes
Accepted

Are standard light bulb bases being phased out?

As of 2017, regulatory changes in the United States have obsoleted most of the answers here (and elsewhere on the Internet). Short answer: Edison screw-type bases aren't going away. The US ...
Spencer Joplin's user avatar
9 votes

Are there LED lamps available for ovens?

Even if you could, I wouldn't trust that the plastics, solder and semiconductors of an LED lamp wouldn't leach unfriendly chemicals out into the oven's air, and then into the food. There's a reason ...
kackle123's user avatar
  • 383
7 votes

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

The LED is the most dimming-friendly light source ever made. The problem is that most people are using screw-in "incandescent replacement" LED modules, with obsolete dimming schemes** intended for ...
Harper - Reinstate Monica's user avatar
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 ...
isherwood's user avatar
  • 138k
7 votes
Accepted

What is a "JC type" light bulb?

JC : J From the word “Jod” – It means “Iodine” in German and indicates that it is a Halogen lamp. C From the word “Cine” Indicates that the primary application for lamp is Cinema but can include ...
Gunner's user avatar
  • 4,427
7 votes
Accepted

How to select the most appropriate indoor LED bulb color

This is really an opinion question, so I will just explain the color frequency and a listing to look for so that you have the information to make your decision. First, the different lamps have color ...
Ed Beal's user avatar
  • 103k
7 votes

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

On many types of fixtures... You just unscrew the bulb! On those fixtures there is a small margin between the bezel and the flat lensed/Fresnel'd surface. That flat surface is the bulb. See, it ...
Harper - Reinstate Monica's user avatar
6 votes

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

I called the number on the box to ask the company in ref to the "caution notice" about "Not for use in totally enclosed luminaries". They said that it could shorten the life of the bulb. I asked about ...
Lisa's user avatar
  • 61
6 votes

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

When a lamp lists a maximum wattage, its doing that based on the heat an incandescent bulb of that wattage will put off. The 9W=75W on the LED bulb is telling you that "even though this bulb only ...
JPhi1618's user avatar
  • 27.9k
6 votes

What kind of bulbs should I get? My bulbs does not look normal

Those are 2 or 4 pin CFL bulbs. Sorta like this: Technically, you should handle them with care, as the contents of the tubes are toxic. Turn off the power to the light, wear sturdy gloves, and pull ...
Aloysius Defenestrate's user avatar
6 votes

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

If it is a true incandescent light bulb: NO, apart from very very minor losses (through insulation imperfections and transmission line effects) due to the fact that a longer run of wiring is now live. ...
rackandboneman's user avatar
6 votes

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

Are GX24Q-3 bulbs compatible with G24Q-3 bases and vice versa? No. The GX24Q-3 base is designed for use with 4-pin triple-tube lamps. The G24Q-3 base is designed for use with 4-pin double-tube ...
RedGrittyBrick's user avatar
6 votes

Why would a light fixture be incompatible with dimmer switches?

The best explanation I can think of is that many compact fluorescent(CFL) and LED bulbs are not compatible with dimmers. The reason why is non-dimmable CFLs cannot and should not ever be used with ...
Machavity's user avatar
  • 24.8k
6 votes
Accepted

Light bulb stays on regardless of switch position after breaker flipped

It sounds like the element in the lamp welded and caused a dead short. With the switch off it worked the first time but the second time the switch welded. It happens. Time to replace the switch
Ed Beal's user avatar
  • 103k
6 votes
Accepted

Help identifying possible dual pot light plug

Thos MR16 GU5.3 light bulbs are 12 volt bulbs. The GU10 bulbs are 120 volt. There is little to zero chance that this is some sort of "Dual Socket". And if it were, it would still likely be ...
Jon's user avatar
  • 1,677
6 votes
Accepted

Would a projector lamp explode

There is nothing explosive inside a projector bulb, so "explosion" is the wrong word here. The glass envelope, however, can burst and that can shower glass fragments around inside the ...
jwh20's user avatar
  • 23.3k
6 votes

This is a model for a light bulb that I have never seen. Does somebody recognize this model?

You're trying to buy into a paradigm that doesn't exist You've grown up with incandescent bulbs. They blow out every 750-2000 hours, because they are basically tungsten on fire. So you go "that'...
Harper - Reinstate Monica's user avatar
6 votes
Accepted

What light bulb can be used for the Frigidaire upright freezer FFFH20F2QW?

A quick googling suggests you are dealing with an Edison E17 type base. This is the third most common base in North America, after E27 (normal) and E10 (candelabra). 17 = diameter in millimeters (...
Harper - Reinstate Monica's user avatar
6 votes
Accepted

What bulb goes in this UK light fitting?

The maker code Dencon 1415 says it is a normal UK Bayonet Cap (B.C.) lampholder with a removable skirt (often used for holding a shade ring). The section with the bayonet slots has broken off. It may ...
Michael Harvey's user avatar
6 votes

What kind of connector (and lamp type) is this?

That is a metal halide bulb. What sort of fixture was it in? If you want to replace with LED, you'll need to also remove the ballast and ignitor that convert the input power into something the MH arc ...
Chris O's user avatar
  • 6,785

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