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Cold cathode

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A cold cathode is a cathode (a type of electrode) that is not heated directly by a filament or element, although a cold cathode can heat up during use as a side effect of normal current flow. The term cold cathode is often used to refer to cold cathode fluorescent lamps (CCFLs), which are often used were a long life is needed. Applications for cold cathode lamps include general lighting, backlights for LCD TVs and computer monitors, and artistic lighting such as computer case mods and automotive customization.

tl:Agapito Flores