Lighting Glossary - Lighting Style
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Lighting Glossary


Light bulb

Accent Lighting

Lighting used to direct attention to a particular item or object in an interior.

Ambient Lighting

The overall general lighting in an area, including natural light.

Amperes

Amps. A measurement of electrical current.

Application

The type of use that the lighting is being put to, such as retail, industrial or residential application.

Ballast

Any device designed to provide auxiliary support to the lighting fixture in starting up and operating the electrical charge.

Bayonet

A kind of bulb or globe that connects and locks to the base by pushing and turning clockwise.

Beam

A cone of light generated by the lighting fixture.

Bollard

A short post with a light at the top. Often used outdoors alongside paths and walkways.

Bulb

The bulb, or globe, refers to the outer glass container where the light source is.

Compact Fluorescent Lamp (CFL)

Fluorescent lamps that have been designed to produce light from a compact form and shape.

Cool White

A light colour temperature related to LED lighting. Warm white is another possible option.

Current Type (AC/DC)

Types of current. Either alternating current or Direct Current.

Dimmer, Dimming Control

Device used to lower the lighting levels of a lighting product. Can be manually applied or by automatic timer.

Downlighting

A light positioned to direct light upwards.

Efficiency

A measurement of how effective the light source is in converting electrical power into visible light.

Fixture

A light fixture or fitting is a source of light used to provide illumination.

Floodlight

A light fixture that produces a wide beam of light.

Florescence

The ability to absorb short wave light in order to emit longer waves of light.

Fluorescent Lamp

An often-tubular lamp coated internally with fluorescent material in order to produce visible light.

Globe

Term for a light bulb widely used in Australia. Can be used interchangeably in most cases with bulb.

Halogen Lamp

An incandescent lamp using a filament surrounded by halogen vapour.

Illuminance / Luminance

The amount of luminous coverage of an area. Related to the non-specific term 'brightness'.

Incandescent Lamp

A light source that produces light via a filament wire heated to white heat by an electrical charge passing through it.

Kelvin

A unit of thermodynamic temperature, scaled to the measurement of Celsius. 273 Kelvin is equal to 0 Celsius.

Kilowatt

1000 watts of electrical power.

Lamp

Any item designed for producing light. Contemporary lamps consist of electrical globe or bulb with a holder, shade or cover. Historical lamps used burning gas or oil with a wick behind a glass shade.

Light Emitting Diode (LED)

A semiconductor device that emits visible light when electrical voltage is passed along it.

Lumens

Measurement of the amount of light emitted and radiated in a beam. Related to the non-specific term 'brightness'.

Luminaire

Technical term for a complete electrical light fixture.

Pendant

A lighting feature hanging from the ceiling by a chain, cord or rod. Multiple pendants can be fitted in groups to form a system of track lighting.

Reflectance

A measurement of the proportion of light reflected when the light hits a surface and is reflected off it.

Sconce

A light holder that is attached to a wall. Originally used to describe candle holders.

Task Lighting

A lighting source proving illumination for a specific task.

Track Lighting

A system of interior lights fitted to run along a track.

Upplight

A light positioned to direct light upwards.

Ultraviolet Radiation (UV)

A type of electromagnetic radiation. The rays are shorter than visible light and longer than X-rays. Present in sunlight (around 10% of total solar light) and some halogen and fluorescent lights.

Voltage

Measurement of the force of an electrical item.

Wattage

Measurement of electrical power and usage.