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How Do Compact Fluorescent Lamps
Work?
A gas filled tube and either a magnetic or electronic ballast comprise
the two main components of the compact fluorescent lamp. When
electricity is provided to the lamp it will flow from the ballast to the
tube giving off an ultraviolet light. This light then excites the white
powder phosphor coating the inside of the fluorescent tube causing the
visible light which emits from the tube.
Magnetic ballasts will cause the lamp to flicker as it is started.
Electronic ballasts are more commonly used but are more expensive. One
of the main reasons the electronic ballast CFL’s are more expensive is
that they are more efficient and give off light immediately when turned
on.
The magnetic ballast CFL’s will last approximately 10,000 hours, however
the electronic ballast CFL’s can last upwards of 50,000 hours.
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