Indicator lamp

Look up indicator lamp in Wiktionary, the free dictionary.

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

See also

• Search Wiktionary for indicator lamp or indicator light

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