- Also called:
* Compact fluorescent light
* Energy-saving light
* Compact fluorescent tube,
- A fluorescent lamp designed to replace an incandescent lamp; some types fit into light fixtures formerly used for incandescent lamps.
- Uses a tube which is curved or folded to fit into the space of an incandescent bulb, and a compact electronic ballast in the base of the lamp.
- Gives the same amount of visible light as incandescent lamps.
- Uses one-fifth to one-third the electric power.
- Lasts 8 - 15 times longer.
- Higher purchase price than an incandescent lamp.
- But saves over 5 times its purchase price in electricity costs over the lamp's lifetime.
- Like all fluorescent lamps, CFLs contain toxic mercury which complicates their disposal.
- In many countries, governments have established recycling schemes for CFLs and glass generally.
- Improved phosphor formulations have improved the perceived color of the light emitted by CFLs, such that some sources rate the best "soft white" CFLs as subjectively similar in color to standard incandescent lamps.
Edited from,
~http://en.wikipedia.org/wiki/Compact_fluorescent_lamp
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