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ECO LIGHTING
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CFL Light

 

Compact fluorescent lamp (CFL), also known as energy saving light is a type of fluorescent lamp to replace incandescent lamp and can fit into most existing incandescent light fixtures.
Compared to incandescent lamps, CFLs use less power and have a longer rated life.

CFLs combine a tube, electronic ballast and a base.
The average life of a CFL is about 10 times that of incandescents. CFLs typically have a rated lifespan of between 6,000 and 15,000 hours against incandescent lamps of 750 to 1,000 hours.
CFLs use 20 to 33% of the power of equivalent incandescent lamps, can save energy by 70-80%.
CFLs produce less heat than incandescent lamps
The luminous efficacy of CFL sources is typically 60 to 72 lumens per input watt of electric power, versus 8 to 17 lm/W for incandescent lamps.
 
Electrical power equivalents for differing lamps
Compact Fluorescent (W) Incandescent (W) Luminous (lm)
9 - 13
40
450
13 - 15
60
800
18 - 25
75
1,100
23 - 30
100
1,600
30 - 52
150
2,600
 
DC CFLs

DC (direct current) CFLs are popular for use in recreational vehicles and off-the-grid housing, using DC CFLs with solar panels or wind generators and batteries.
DC CFLs can also be operated with solar powered street lights, using solar panels located on the top or sides of a pole and light fixtures that are specially wired to use the lamps.

 
CCFLs
The Cold Cathode Fluorescent Lamp (CCFL) is one newest form of CFL using electrodes without a filament. The voltage of CCFLs is about 5 times higher than CFLs, and the current about 10 times lower, a diameter of about 3 millimeters. The efficacy (lumens per watt) is about half that of CFLs. Their advantages are that they are instant-on, like incandescents, they are compatible with timers, photocells and dimmers, and they have a long life of approximately 50,000 hours, are effective and efficient replacement for lighting that is turned on and off frequently with little extended use (e.g. a bathroom or closet).
 
 
 
 
 

 
 
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