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Lighting Glossary
Term:
Dimmer Switch
Dimmers are devices used to vary the brightness of a light. By decreasing or increasing the RMS voltage and hence the mean power to the lamp it is possible to vary the intensity of the light output. Although variable-voltage devices are used for various purposes, the term dimmer is generally reserved for those intended to control lighting but also to save energy. With phase advancers, bulbs and halogen lamps (230 V) as well as low-voltage halogen lamps operating on magnetic transformers can be controlled easily. Phase advancers are used especially for the control of low-voltage halogen bulbs in electronic transformers. They are also suitable for bulbs and halide bulbs (230 V). Compact fluorescent lamps and triple-tube fluorescent lamps are operated on a regulated electronics device (EVG).
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