A compact fluorescent lamp (CFL), also known as a compact fluorescent light bulb is a type of fluorescent lamp designed to replace an incandescent lamp. Many CFLs can fit in the existing incandescent light fixtures.
The actual environmental effect of CFLs is the subject of much debate. Apart from the gross electrical power saved during operation, it is questioned whether the amount of power and raw materials used in their manufacture compares well with incandescent lamps, and also whether the mercury used in CFLs is a significant environmental hazard. |
| Do It Yourself T5 Fluorescent Corner Light |
- White powder coated housing
- Clear acrylic internally reeded
- On/off switch
- Integral electronic ballast
- 1-5 metre flex and plug
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| 2 x 36 watt T8 Aluminium Diffused Fluorescent Batten |
- Twin 36W fluorescent batten with acrylic diffuser
- Powder coated, aluminium extrusion
- Rounded design
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| Crompton Pro 2 x 18 watt Fluorescent |
- Twin rectangular fluorescent fitting
- Satin chrome metal base
- White acrylic reeded diffuser
- Integral ballast
- Includes 2 x 18W T8 fluorescent
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| For a given light output, CFLs use between one-fifth and one-quarter of the power of an equivalent incandescent lamp, thereby saving significant amounts of energy in use and reducing the need for electrical generation. However, the energy required to manufacture these lamps is higher than incandescent lamps, and as a result the total lifetime energy use (from manufacture to disposal) compared to other forms of lighting is less than the simple comparison of electricity consumption implies. For industrialized countries, lighting makes up about one fifth of electricity consumption, so there are potentially significant benefits. |
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