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Hydrargyrum medium-arc iodide ( HMI) is the trademark name of Osram 's brand of metal-halide gas discharge medium arc-length lamp, [1] made specifically for film and entertainment applications. Hydrargyrum comes from the Greek name for the element mercury . An HMI lamp uses mercury vapour mixed with metal halides in a quartz -glass envelope ...
High-intensity discharge lamps are a type of arc lamp . Brand new high-intensity discharge lamps make more visible light per unit of electric power consumed than fluorescent and incandescent lamps, since a greater proportion of their radiation is visible light in contrast to infrared. However, the lumen output of HID lighting can deteriorate by ...
A lightbulb socket, lightbulb holder,light socket, lamp socketor lamp holderis a device which mechanically supports and provides electrical connections for a compatible electric lampbase.[1] Sockets allow lamps to be safely and conveniently replaced (re-lamping). There are many different standards for lampholders, including early de ...
A lighting control system incorporates communication between various system inputs and outputs related to lighting control with the use of one or more central computing devices. Lighting control systems are widely used on both indoor and outdoor lighting of commercial, industrial, and residential spaces. Lighting control systems are sometimes ...
An incandescent light bulb, incandescent lamp or incandescent light globe is an electric light with a filament that is heated until it glows. The filament is enclosed in a glass bulb that is either evacuated or filled with inert gas to protect the filament from oxidation. Electric current is supplied to the filament by terminals or wires ...
A compact fluorescent lamp ( CFL ), also called compact fluorescent light, energy-saving light and compact fluorescent tube, is a fluorescent lamp designed to replace an incandescent light bulb; some types fit into light fixtures designed for incandescent bulbs. The lamps use a tube that is curved or folded to fit into the space of an ...
Create an inventory of personal property: Part of your home insurance policy will cover your personal belongings, such as furniture, appliances, clothing and other items. Take stock of what ...
Line-replaceable unit. A line-replaceable unit ( LRU [1] ), lower line-replaceable unit ( LLRU ), [citation needed] line-replaceable component ( LRC ), or line-replaceable item ( LRI) [2] is a modular component of an airplane, [3] ship or spacecraft [4] (or any other manufactured device) that is designed to be replaced quickly at an operating ...