Learn about CFL Bulbs

How CFL bulbs work

How do CFLs work?

CFLs produce light differently than incandescent bulbs. In an incandescent, electric current runs through a wire filament and heats the filament until it starts to glow. In a CFL, an electric current is driven through a tube containing argon and a small amount of mercury vapor. This generates invisible ultraviolet light that excites a fluorescent coating (called phosphor) on the inside of the tube, which then emits visible light.

Learn more about CFLs and Purchasing Tips here:

http://www.energystar.gov/index.cfm?c=cfls.pr_cfls_about

Happy Savings,

JouleFool

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