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A light fixture is an electrical device used to create artificial light or illumination in Architecture . A complete lighting fixture unit consists of the light source or Lamp , the reflector for directing the light, an aperture (with or without a Lens ), the outer shell or housing for lamp alignment and protection, a Electrical Ballast , if required, and connection to a power source. A wide variety of special light fixtures are created for use in the automotive industry, aerospace, marine and medicine.

Light fixtures are classified by how the fixture is installed, the light function or lamp type.


FIXTURE TYPES

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  • Free-standing or portable -- table lamps and office task lights

  • Recessed Light Fixture -- the protective housing is concealed behind a ceiling or wall

  • --- "Cans" with a variety of Lamp s

  • --- Troffer Light -- recessed fluorescent lights

  • Surface-mounted light -- the finished housing is exposed

  • --- Chandelier

  • Pendant Light -- suspended from the ceiling with a chain or pipe

  • Indirect Lighting -- light reflects off the ceiling for general illumination

  • Cove Light -- recessed into the ceiling in a long box against a wall

  • Track Light fixture -- individual fixtures (track "heads") can be positioned anywhere along the track, which provides electric power.

  • Under-cabinet Light -- mounted below kitchen wall cabinets

  • Pole or Stantion mounted -- for landscape and roadways

  • High Bay / Low Bay lighting -- typically used for general lighting for industrial buildings

  • Strip Light s or Industrial Light s -- often long lines of fluorescent lamps used in a warehouse or factory

  • Emergency Lighting or Exit Light -- connected to a battery or to an electric circuit that has backup power if the main power fails



LIGHT FIXTURE FUNCTIONS



LAMP TYPES


See Also: List of light sources









LIGHT FIXTURE CONTROLS



SEE ALSO