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Category 'Lighting' - Technical Articles

“Lighting” category refers to technical articles related to the lighting design and calculations for various interior and exterrior electrical installations. Lighting control and energy efficiency improvement are given a special attention in this category.

Lighting

Lighting quality, how to achieve?

Achieving the required illuminance level does not necessarily ensure good lighting quality. The quality as well as the quantity of illuminance is important to produce a comfortable, productive, aesthetically pleasing lighting environment. The quality of the lighting system refers, but… Read more

May 06, 2011 | By

Lighting quality, how to achieve?
Lighting

Lights up, the facts about lighting!

Illuminance is light falling on a surface measured in footcandles or lux. Distributed with an economic and visual plan, it becomes engineered lighting and, therefore, practical illumination. A lighting designer has four major objectives: Provide the visibility required based on… Read more

Mar 28, 2011 | By

Lights up, the facts about lighting
Lighting

Dual nature of light

Light has intrigued humankind for centuries. The most ancient theories considered light as something emitted by the human eye. Later on, it was understood that light should come from the objects seen and that it entered the eye producing the… Read more

Mar 24, 2011 | By

Dual nature of light
Lighting

Colour classification and temperature

Colour is a subjective psycho physiologic interpretation of the visible electromagnetic spectrum. Luminous sensations or images, produced in our retina, are sent to the brain and interpreted as a set of monochromatic sensations which constitute the colour of the light…. Read more

Mar 22, 2011 | By

Colour classification according to the C.I.E. chromatic diagram
Lighting

What Light Source To Choose?

One of the first decisions in the design of a good lighting system is the choice of a light source. A number of light sources are available, each with its own unique combination of operating characteristics. A few of the… Read more

Feb 17, 2011 | By

Light Sources and Lamp Characteristics
Lighting

What is the vertical illuminance?

Vertical illuminance is a component of lighting design that is vitally important to architecture. Its primary purpose is to make spatial proportions and spatial limits visible. The opposite is the conventional horizontal illuminance, which is frequently the result of a… Read more

Feb 11, 2011 | By

Vertical Illuminance - Introduction
Lighting

Distribution Of Energy For Lighting – History

Edison planned his first installation for New York City, and decided that an underground system of distribution would be necessary. This took the form of a network supplied by feeders radiating ftom a centrally located degenerating station to various feed… Read more

Dec 24, 2010 | By

Thomas Edison
Lighting

Emergency lights

Indepandant emergency supply Many buildings must have some form of emergency lighting to come on if the electric supply to the ordinary lights fails. BS 5266: Emergency lighting, BS EN 1838, BS 5266–7: Lighting applications. Emergency lighting are the codes… Read more

Nov 10, 2010 | By

Emergency lights


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