I get mine at Stator Bros. because they sometimes have them on sale for as little as 50 cents each.
The fulform of CFL bulbs is compact fluorecent light
A compact fluorescent lamp (CFL), also called compact fluorescent light, energy-saving light, and compact fluorescent tube, is a fluorescent lamp designed to replace an incandescent lamp; some types fit into light fixtures formerly used for incandescent lamps. The lamps use 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.
Yes, if it fits the socket and the light fitting, or lamp fixture, with its cover or shade. You will not be able to dim the compact fluorescent as you did the incandescent (unless you have a really fancy dimmer).
Perhaps you are asking about fluorescent lamp. This is an electrical device that uses a fluorescent bulb to give off light. The bulb is a recent invention designed to give energy savings in the residential area. The fluorescent bulb used to be used exclusively in industrial applications, but the new bulb is small and compact enough to be used in a home lamp.
Florescent light-bulbs CFL Compact Fluorescent Lamp
The link shown below to Wikipedia explains pretty well how a compact fluorescent lamp works.
No...
A ballast is an electrical component used with a fluorescent bulb (or mercury vapor lamp or arc lamp) to conduct electricity at each end of the tube. Compact fluorescent light bulbs are dependent on ballast because they use a gas to create light. when the gas is excited by electricity, it emits invisible ultraviolet light that hits the white coating inside the fluorescent bulb. The coating changes the ultraviolet light into light you can see.
To select the right compact fluorescent dimmable bulb, factors to consider are bulb design, light output & power consumption, color, and recycling options. It is important to use good judgement regarding these factors and how you plan to use the lamp in question.
The brightest compact fluorescent bulb is of over 100 lumens or higher outputs at higher drive currents.
well one is spelled differently than the other
A table lamp with a fluorescent or LED bulb provides excellent energy efficient lighting. Almost any lamp can accommodate a compact fluorescent or LED bulb which makes any fixture more efficient.