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At present there are several types of light bulbs available for indoor domestic use.
Arranged by their efficiency from least-to-most they are:
Incandescent bulbs (60 watts)
The old style light bulb emitting light from a hot filament
Fluorescent tubes (30 to 40 watts)
Several inch to several foot long tubes emitting light from a vacuum with a trace of Mercury vapour requiring a special fixture
Compact Fluorescent bulbs (15 watts)
Roughly incandescent sized small fluorescent tubes designed to screw into standard light bulb fixtures
Light Emitting Diode /LED's (5 watts)
Small cool running lights using special mini-sockets or designed to fit into conventional sockets.
Notes:
- Power requirements to provide as much light as a 60 watt incandescent bulb indicated in parentheses
- Both types of fluorescent tubes contain Mercury and require special handling and disposal requirements
- Outdoor lights would also include Mercury and Sodium vapour bulbs as well as high powered incandescent bulbs. These are more efficient than incandescent bulbs but the colour spectrum emitted and other aspects makes indoor use unlikely
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LaoAt present there are several types of light bulbs available for indoor domestic use.
Arranged by their efficiency from least-to-most they are:
Incandescent bulbs (60 watts)
The old style light bulb emitting light from a hot filament
Fluorescent tubes (30 to 40 watts)
Several inch to several foot long tubes emitting light from a vacuum with a trace of mercury vapour requiring a special fixture
Compact Fluorescent bulbs (15 watts)
Roughly incandescent sized small fluorescent tubes designed to screw into standard light bulb fixtures
Light Emitting Diode /LED's (5 watts)
Small cool running lights using special mini-sockets or designed to fit into conventional sockets.
Notes:
- Power requirements to provide as much light as a 60 watt incandescent bulb indicated in parentheses
- Both types of fluorescent tubes contain mercury and require special handling and disposal requirements
- Outdoor lights would also include Mercury and Sodium vapour bulbs as well as high powered incandescent bulbs. These are more efficient than incandescent bulbs but the colour spectrum emitted and other aspects makes indoor use unlikely
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Does a light dimmer work with the new energy efficient light bulbs?
If you are looking to use the new energy efficient light bulbs on a light dimmer you will need to buy specially made dimmable CFLs. Not all energy efficient light bulbs are compatible with dimmers so be sure to check the packaging for information.
What advantages do LEDS have over light bulbs?
LEDs are definitely better than the ordinary light bulbs because they're more energy efficient, and you'll be able to get a lot of savings since you don't need to change your bulbs every now and then.
What is the maximum voltage of incandescent light bulbs?
The maximum voltage of incandescent light bulbs is up to about three hundred volts. They can also go down as low as 1.5 volts. Incandescent light bulbs are the least efficient lighting system. More modern methods like flourescent lightbulbs are far more efficient.
What is most energy efficient led lamps or bulbs?
The most efficient outdoor light bulb would the 5 watt Light emitting Diode light bulb also know as the LED bulb. They are small lights with miniature sockets or made to fit into conventional sockets.
Why do ordinary light bulbs take more electrical energy than efficient bulbs?
The filament on normal light bulbs require a higher current of electricity to light up, and are more resistant to electricity as well. This causes it to use more electricity and generate more heat.
