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A round Induction fluorescent lamp. The induction lamp, electrodeless lamp, or electrodeless induction lamp is a gas-discharge lamp in which an electric or magnetic field transfers the power required to generate light from outside the lamp envelope to the gas inside.
Electrodeless induction lamps are fluorescent lamps without internal electrodes. They have been commercially available since 1990. A current is induced into the gas column using electromagnetic induction. Because the electrodes are usually the life-limiting element of fluorescent lamps, such electrodeless lamps can have a very long service life ...
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 light bulb; some types fit into light fixtures designed for incandescent bulbs.
1991 Philips invents a fluorescent lightbulb that lasts 60,000 hours using magnetic induction. 1994 T5 lamps with cool tip are introduced to become the leading fluorescent lamps with up to 117 lm/W with good color rendering. These and almost all new fluorescent lamps are to be operated on electronic ballasts only. [4]
In 2009, PSE&G in New Jersey became the first utility in the US to use induction fluorescent lamps to replace mercury vapor lamps, in 220 municipalities. [24] The induction lamps were expected to last 100,000 hours before requiring maintenance and consume 30 to 40 percent less electricity, thereby saving an estimated $1 million annually. [24]
“Older fluorescent lights and incandescent bulbs waste energy,” he warned. “Make the switch to energy-saving LED or CFL bulbs, which generate less heat and need less electricity.” kpakook ...
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