A recessed light or downlight (also pot light in Canadian English, sometimes can light (for canister light) in American English) is a light fixture that...

of the US. Cove light – indirect lighting recessed into the ceiling in a long box against a wall. Troffer – recessed fluorescent light fixtures, usually...

An electric light, lamp, or light bulb is an electrical device that produces light from electricity. It is the most common form of artificial lighting...

The Centennial Light is an incandescent light bulb recognized as the oldest known operating light bulb. It was first illuminated in 1901, and has only...

A light-emitting diode (LED) is a semiconductor device that emits light when current flows through it. Electrons in the semiconductor recombine with electron...

will need little light for crossing the area. Downlighting is most common, with fixtures on or recessed in the ceiling casting light downward. This tends...

Edison light bulbs, also known as filament light bulbs and retroactively referred to as antique light bulbs or vintage light bulbs, are either carbon-...

control light more precisely. They produce about four times the concentrated light intensity of general service (A), and are used in recessed and track...

This is a list of sources of light, the visible part of the electromagnetic spectrum. Light sources produce photons from another energy source, such as...

An arc lamp or arc light is a lamp that produces light by an electric arc (also called a voltaic arc). The carbon arc light, which consists of an arc between...

object emits cold light in contrast to incandescence, where an object only emits light after heating. Generally, the emission of light is due to the movement...

Limelight (also known as Drummond light or calcium light) is a non-electric type of stage lighting that was once used in theatres and music halls. An intense...

called a UV-A light, Wood's lamp, or ultraviolet light, is a lamp that emits long-wave (UV-A) ultraviolet light and very little visible light. One type of...

hydrogen, to create visible light. Tritium emits electrons through beta decay and, when they interact with a phosphor material, light is emitted through the...

translucent liquid. The vessel is placed on a base containing an incandescent light bulb whose heat causes temporary reductions in the wax's density and the...

material emits light in response to the passage of an electric current or to a strong electric field. This is distinct from black body light emission resulting...

animated series by Disney Recess: School's Out, a 2001 film based on the series Search for "recess" on Wikipedia. Recessed light Recession Recessive All...

stick, also known as a light stick, chem light, light wand, light rod, and rave light, is a self-contained, short-term light-source. It consists of a...

120 V and is 150 W and that is also 118 mm long. An R7S is a double ended, Recessed Single Contact (RSC) linear halogen lamp, usually measuring a length of...

is a gas-discharge lamp that uses sodium in an excited state to produce light at a characteristic wavelength near 589 nm. Two varieties of such lamps...

through colours and symbols, including arrows and bicycles. The usual traffic light colours are red to stop traffic, amber for traffic change, and green to...

A Klieg light is an intense carbon arc lamp especially used in filmmaking. It is named after inventor John Kliegl and his brother Anton Kliegl. Klieg...

is a parameter describing the color of a visible light source by comparing it to the color of light emitted by an idealized opaque, non-reflective body...

or sterilizer lamp) is an electric light that produces ultraviolet C (UVC) light. This short-wave ultraviolet light disrupts DNA base pairing, causing...

products for camping and outdoor use. Petromax is reliable and efficient light source but only with proper use and well maintained. Typical problems leading...

A strobe light or stroboscopic lamp, commonly called a strobe, is a device used to produce regular flashes of light. It is one of a number of devices that...

for recessed light fixtures. CFLs designed for use in such fixtures are available. Current recommendations for fully enclosed, unventilated light fixtures...

lamp) with a mirrored parabolic reflector to project a powerful beam of light of approximately parallel rays in a particular direction. It is usually...

enlightenment, prosperity, knowledge and wisdom. Diyas represent the triumph of light over dark, good over evil with the most notable example of this being on...

mercury-vapor gas-discharge lamp that uses fluorescence to produce visible light. An electric current in the gas excites mercury vapor, to produce ultraviolet...