# Indicator lamp

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An **indicator lamp** *(or **indicator light**)* is an illuminated device that is intended to visually convey a single status to the user of a piece of equipment.

**Indicator lamp** may refer to:

- [Direction indicator light](/source/Direction_indicator_light), a turn signal in automotive lighting
- [Check engine light](/source/Check_engine_light), a tell-tale warning light in automobiles
- [Tell-tale (automotive)](/source/Tell-tale_(automotive)), a more generic class of indicators
- A specific style of indicator light fixture or component, such as a: - [Neon glow lamp](/source/Neon_glow_lamp), a miniature gas-discharge lamp - [Digitron / cold cathode display / Nixie tube](/source/Nixie_tube), an electronic device used for displaying numerals or other information using glow discharge - [Light-emitting diode](/source/Light-emitting_diode)

## See also

- Search Wiktionary for [indicator lamp](https://en.wiktionary.org/wiki/Special%3ASearch%2FIndicator_lamp) or [indicator light](https://en.wiktionary.org/wiki/Special%3ASearch%2FIndicator_lamp)

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Adapted from the Wikipedia article [Indicator lamp](https://en.wikipedia.org/wiki/Indicator_lamp) by Wikipedia contributors ([contributor history](https://en.wikipedia.org/wiki/Indicator_lamp?action=history)). Available under [Creative Commons Attribution-ShareAlike 4.0 International](https://creativecommons.org/licenses/by-sa/4.0/). Changes may have been made.