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Fluorescent bulbs contain mercury, a toxic substance. The United States Environmental Protection Agency (EPA) provides safety guidelines for how to clean up a broken fluorescent bulb. [17] Mercury can be harmful to children and developing fetuses, so children and pregnant women should avoid being in the area whilst a broken bulb is cleaned up. [18]
CFLs have two main components: a magnetic or electronic ballast and a gas-filled tube (also called bulb or burner). Replacement of magnetic ballasts with electronic ballasts has removed most of the flickering and slow starting traditionally associated with fluorescent lighting, and has allowed the development of smaller lamps directly ...
Compact Fluorescent Lights (CFLs) CFLs are also a more energy-efficient option than incandescents — 75% more efficient. If every household in the U.S. replaced one incandescent bulb with a CFL ...
Some types contain a source of beta radiation to start ionization of the gas that fills the tube. [5] In some tubes, glow discharge around the cathode is usually minimized; instead there is a so-called positive column, filling the tube. [6] [7] [note 2] Examples are the neon lamp and nixie tubes. Nixie tubes too are cold-cathode neon displays ...
Some have tubes and ballasts permanently connected, while others are separate allowing you to change the tube without changing the ballast. There are also CFLs enclosed in a glass globe, which look similar to conventional incandescent light bulbs. CFLs fit most fixtures designed for incandescent lamps, although only some can be dimmed. [5]
Compact Fluorescent Lamps, or CFL's for short, have changed a lot in recent years. While the energy savings was unquestionable, the quality of the light coming off a CFL casts a shadow on their ...