compact fluorescent lamp
People also ask, what is better LED or CFL bulbs?
LED bulbs require much less wattage than CFL or Incandescent light bulbs, which is why LEDs are more energy-efficient and longer lasting than their competitors. The lower the wattage needed, the better.
Likewise, how do CFL light bulbs work? CFLs produce light differently than incandescent bulbs. In a CFL, an electric current is driven through a tube containing argon and a small amount of mercury vapor. This generates invisible ultraviolet light that excites a fluorescent coating (called phosphor) on the inside of the tube, which then emits visible light.
Similarly, you may ask, are CFL light bulbs dangerous?
CFL bulbs are dangerous because of ultraviolet radiation leakage. Two readers pointed with alarm to a 2012 study by Stony Brook University researchers, which found that most CFL bulbs have defects that allow UV radiation to leak at levels that could damage skin cells if a person is directly exposed at close range.
What are CFL lights and why is their use recommended?
Compact Fluorescent Lamp Applications. Compact fluorescents are being used in residential applications replacing incandescent and halogen lights. They provide relatively shadow-free lighting in residential applications and because of their small size can fit nicely into sconces, ceiling lights and table lamps.
Does turning LED lights on and off shorten their life?
The operating life of a light emitting diode (LED) is unaffected by turning it on and off. While lifetime is reduced for fluorescent lamps the more often they are switched on and off, there is no negative effect on LED lifetime. This characteristic gives LEDs several distinct advantages when it comes to operations.What is 60 watts in LED?
An LED that uses 60 watts is in no way comparable to an incandescent bulb that uses 60 watts. In fact, a 60-watt LED just may blind you. LEDs are designed to use less energy and naturally have a lower watt rating. This means it's useless to use watts to determine brightness.How many lumens is a 60 watt bulb?
How Much Light Do I Need?
| Old Incandescent Bulbs (Watts) | ENERGY STAR Bulb Brightness (Minimum Lumens) |
| 40 | 450 |
| 60 | 800 |
| 75 | 1,100 |
| 100 | 1,600 |
How bright is 800 lumens?
If you want something dimmer, go for less lumens; if you prefer brighter light, look for more lumens. Replace a 75W bulb with an LED bulb that gives you about 1100 lumens. Replace a 60W bulb with an LED bulb that gives you about 800 lumens. Replace a 40W bulb with an LED bulb that gives you about 450 lumens.Are CFL light bulbs being phased out?
Monday morning, General Electric announced it will phase out the sale of compact fluorescent lightbulbs, the standard inexpensive option for the environmentally conscious. Instead, the company will give prominence to the LED, or light-emitting diode, bulbs – a better quality and more energy-efficient cousin of the CFL.Are LED bulbs safe?
Unlike other energy-efficient types of lighting, the LED bulb does not emit polluting radiation and therefore does not pose a health hazard. It is important to note that LED bulbs operate at low voltage and are therefore considered safe compared to any other lighting systems (LED operates at low DC voltage 12 V).Are LED lights harmful to skin?
Unlike other types of light therapy, LEDs do not contain ultraviolet rays. Therefore, they're safe for regular use. You shouldn't use LED light therapy if you take Accutane for acne or if you're experiencing skin rashes. Side effects are rare, but may include increased inflammation, redness, and rashes.Do LED bulbs get hot?
You probably know that LED bulbs run dramatically cooler than their incandescent cousins, but that doesn't mean they don't produce heat. LED bulbs do get hot, but the heat is pulled away by a heat sink in the base of the bulb.What if I vacuumed up a broken CFL?
* If you already vacuumed a broken CFL: For a recent break (within a couple of days of the break): Air out the house for up to several hours to get rid of any remaining mercury vapor and change your vacuum cleaner bag or wipe out the dust cup.Can you get mercury poisoning from a light bulb?
If you break a mercury thermometer or light bulb, a small amount of liquid mercury may spill out. The mercury may also evaporate into vapour. However, this small amount of mercury is extremely unlikely to cause problems for your health.Can light bulbs cause cancer?
Well, that may not be true anymore if your house is lit with compact fluorescent light bulbs. Last month, researchers from the State University of New York at Stony Brook showed in a paper that tiny defects in the bulbs can let through UV light that can damage skin cells and lead to cancer.What is the white powder in CFL bulbs?
The white powder coating inside the glass tubing of a CFL contains a fluorescent coating. When electricity enters a CFL, mercury and argon fumes inside the bulb produce invisible ultraviolet (UV) light. This UV light reacts with the fluorescent coating to produce the white, visible light you see when you turn on a CFL.Does mercury vapor go away?
Outdoors, mercury vapors tend to go away quickly, but indoors (particularly with windows closed), mercury vapors will accumulate in the air. People can absorb metallic mercury into their bodies when they breathe the vapors.What does Mercury smell like?
Mercury is a shiny, silvery liquid metal that can cause serious health problems. Liquid mercury vaporizes (evaporates) at room temperature causing elevated levels of mercury in indoor air. Mercury vapor is not irritating and has no odor, so people do not know when they are breathing it.Why are CFL light bulbs better?
Pros of CFLS Longevity—With an average lifespan of approximately 10,000 to 15,000 hours, a CFL bulb lasts about ten times longer than an incandescent bulb—which means they need to be replaced less often, making them convenient for those hard-to-reach light fixtures and lamps.How do you dispose of CFL light bulbs?
The EPA recommends that you bring old CFLs to qualified recyclers, rather than disposing of them in trash cans or curbside recycling bins. You can bring old CFLs to The Home Depot for free recycling. Visit the Eco Options website to learn more. If you're concerned about the mercury content in CFLs, consider LED bulbs.Do CFL bulbs emit UV?
All fluorescent lamps emit some UV. Typical fluorescent lamps, including CFLs, which consumers would encounter, emit very low levels of UV. In order to measure any UV radiation from these lamps, very sensitive measuring equipment must be used. 
