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Mercury Fixture

Mercury Fixture

Mercury Fixture: A light fixture with a mercury vapor lamp producing blue-white light, used in street, industrial, and outdoor security lighting for its brightness and efficiency.

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Definition

A light fixture that has an electric discharge lamp that produces a blue-white light by creating an arc in mercury vapor enclosed in a tube or globe.

Purpose

Mercury fixtures are used for lighting applications where bright, long-lasting illumination is required. They are commonly used in street lighting, industrial lighting, and outdoor security lighting due to their high intensity and efficiency.

Examples of Use

  • Street lighting: Providing bright, efficient illumination for roadways and public spaces.
  • Industrial lighting: Used in factories and warehouses to ensure sufficient lighting for operations.
  • Outdoor security: Installing mercury fixtures around buildings and parking lots for enhanced visibility and safety.

Related Terms

  • HID Lamp: High-intensity discharge lamp, a type of lighting that includes mercury vapor lamps.
  • Fluorescent Lamp: A low-pressure mercury-vapor gas-discharge lamp that uses fluorescence to produce visible light.
  • Ballast: A device that regulates the current to the lamps and provides sufficient voltage to start the lamps.

Notes

  • Mercury fixtures contain mercury, which requires careful handling and disposal due to environmental and health concerns.
  • They are being phased out in many areas due to energy efficiency regulations and environmental considerations.
  • Alternatives such as LED and high-pressure sodium lamps offer improved efficiency and reduced environmental impact.

Related Terms