High Intensity Discharge Luminaires
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High Intensity Discharge Luminaires
High intensity discharge (HID) luminaires are a type of lighting fixture that produce a bright, intense light by passing an electric current through a gas or vapor. The gas or vapor is contained within a sealed glass or quartz bulb, and when the electric current passes through it, it ionizes the gas, causing it to emit light. HID luminaires are known for their high efficiency, long life, and ability to produce a large amount of light from a relatively small bulb. HID luminaires are commonly used in outdoor lighting applications, such as streetlights, parking lot lights, and sports field lighting. They are also used in indoor applications, such as in large warehouses and industrial facilities where high levels of illumination are required. HID luminaires come in a variety of shapes and sizes, and can be designed to produce different colors of light, depending on the type of gas or vapor used inside the bulb. One of the main advantages of HID luminaires is their high efficiency. They can produce a large amount of light using relatively little energy, making them a cost-effective lighting solution for many applications. Additionally, HID luminaires have a long life span, with some bulbs lasting up to 20,000 hours or more. This means that they require less frequent replacement than other types of lighting fixtures, reducing maintenance costs and downtime. However, HID luminaires also have some drawbacks. They can take several minutes to reach full brightness after being turned on, and they require a ballast to regulate the electric current that passes through the bulb. Additionally, they can produce a significant amount of heat, which can be a concern in certain applications.
lighting, efficiency, gas, vapor, outdoor lighting
CITATION : "Charles Martinez. 'High Intensity Discharge Luminaires.' Design+Encyclopedia. https://design-encyclopedia.com/define/high-intensity-discharge-luminaires?E=286103 (Accessed on October 14, 2026)"
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