Due to the high temperature the tungsten filament is operated at, some of the tungsten evaporates during use. This evaporation leaves the filament thinner on some areas. The weakened area of the filament becomes hotter, which leads to even faster evaporation causing the filament to burn back and the lamp to burn out. See similar questions...

It is essential that you change your UV lamp annually. The ability of the lamp to emit UV light decreases over time. Remember - UV light is invisible! Even though the lamp is still glowing after one year, there might not be enough UV light reaching your water to be effective. See similar questions...

Both regular incandescent bulbs and halogen bulbs create light by heating a filament (made of tungsten) inside the bulb; the heat makes the filament white-hot, producing the light that you see. Usually, the bulb burns out when the filament wears out. The filament on a regular incandescent bulb wears out over time because the tungsten on the filament evaporates and is redeposited on the bulb's glass. See similar questions...

Basically, an incandescent Bulb is a simple device - just a tungsten wire sealed in a glass tube. The electric current passing through the wire heats it to incandescence, and the wire produces light. Suppose you took a dark piece of metal. If you heat it in a furnace, it becomes hot and radiates heat, but at first shows no visible effects. As temperature is increased, it turns a dull red, therefore emitting not only heat, but also some light. See similar questions...

The first compact fluorescent bulbs flickered when they were turned on because it took a few seconds for the ballast to produce enough electricity to excite the gas inside the bulb. Thanks to the refined technology in our new GE compact fluorescent bulbs, there is now no significant flicker (less than 1 second). However, these bulbs do require a short warm-up period before they reach full brightness, which is why they may appear dim when first turned on. See similar questions...

Lab: Oh, me, me!!!!! Pleeeeeeeeeze let me change the light bulb! Can I? Can I? Huh? Huh? Huh? Can I? Pleeeeeeeeeze, please, please, please! German Shepherd: I'll change it as soon as I've led these people from the dark, check to make sure I haven't missed any, and make just one more perimeter patrol to see that no one has tried to take advantage of the situation. See similar questions...

Cats do not change light bulbs. People change light bulbs. So, the real question is: "How long will it be before I can expect some light, some dinner, and a massage?" You know, sometimes I do *feel* like staff and my sole purpose in life is to make sure HRC's "whims" are taken care of....right now we are playing I want out & I want in game LOL!!! (NT) -- Jennifer, Thursday, February 09, 6:44:32 Be your own boss. Take control. Change your life. Redefine the rules. See similar questions...

The primary difference is in size; compact fluorescent bulbs are made in special shapes (which require special technologies) to fit in standard household light sockets, like table lamps and ceiling fixtures. In addition, most compact fluorescent lamps have an "integral" ballast that is built into the light bulb, whereas most fluorescent tubes require a separate ballast independent of the bulb. Both types offer energy-efficient light. See similar questions...

Just one, as long as you explain it's Plug-N-Play... they get confused if it doesn't come with a driver disk. See similar questions...

to share similar experiences of changing light bulbs and how the light bulb could have been changed differently. to write to the list administrator complaining about the light bulb discussion and its inappropriateness to this mail list. to post that this list is not about light bulbs and to please take this e mail exchange to alt.lite.bulb to demand that cross posting to alt.grammar, alt.spelling and alt.punctuation about changing light bulbs be stopped. See similar questions...

Please stop asking silly questions. The FF site is here to entertain our visitors with games, not jokes. See similar questions...

Over the life of an incandescent light bulb the filament begins to deteriorate and the particles will settle on the inside of the glass. In return the bulb will take on a grayish appearance and a slight decrease in light output may occur. For fluorescent bulbs only the ends will blacken as the bulb is burned. Each time the lamp is turned on and off the emissions material settles on the inside of the glass. Extreme darkening generally indicates the bulb is about to burn out. See similar questions...

Yes! During the night, moonlight and starlight can shine through on a clear night Back to FAQ BookletReturn to Top of page See similar questions...

Compact fluorescent light bulbs may generally be used in enclosed fixtures as long as the enclosed fixture is not recessed. Totally enclosed recessed fixtures (for example, a ceiling can light with a cover over the bulb) create temperatures that are too high to allow the use of a compact fluorescent bulb. See similar questions...

Energy saving light bulb 20W is 1200lm, and the light power of a 100W bulb is 1380 lm. From it you can see that the compact fluorescent light bulb 20W with in light power would be approximately equivalent to a "87W light bulb". bulbs of this performance level are not available on the market, it was decided to select for the pictogram on the outer packaging the nearest possible comparable output level in light power of conventional bulbs. See similar questions...

Energy saving light bulb 20W is 1200lm, and the light power of a 100W bulb is 1380 lm. From it you can see that the energy saving light bulb 20W with in light power would be approximately equivalent to a "87W light bulb". bulbs of this performance level are not available on the market, it was decided to select for the pictogram on the outer packaging the nearest possible comparable output level in light power of conventional bulbs. See similar questions...

Light bulb and lighting product rebates are only offered through local stores. To find out if any lighting product rebates are currently available, please check with light bulb retailers in your area. See similar questions...

An incandescent bulb is highly inefficient and requires 10 times more energy than an LED. The capacitor in NightStar can only power a filament light bulb for a few seconds. By comparison, the energy stored in a battery is great enough to power inefficient devices for several hours. However, when a battery's energy is depleted, it either has to be discarded or recharged. Rechargeable batteries require external and often costly charging devices. See similar questions...

Never use ordinary light bulbs. They are meant to produce light and do not have the heating qualities of a heat lamp. A heat lamp is coated with silver to reflect or shoot the heat to the birds which is needed for survival. See similar questions...

To use a compact fluorescent bulb on a dimmer switch, you must buy a bulb that's specifically made to work with dimmers (check the package). GE makes a dimming compact fluorescent light bulb (called the Energy Smart Dimming Spirals®) that is specially designed for use with dimming switches. We don't recommend using regular compact fluorescent bulbs with dimming switches, since this can shorten bulb life. See similar questions...