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In modern
living, lighting of house we live in plays an important role. Contemporary
Lighting Technology can create right ambience for a happy and healthy
living. An intelligent exploitation of
lighting can enhance the look of interior spaces resulting in economy in
consumption of energy, better feeling for the occupants and less effort in
carrying out day to day activities. It is worth the effort because it forms a
significant percentage in the cost of construction.
Harnessing
of fire and with that acquiring ability to create artificial light at will was
an important step in the progress of civilization. Sun the giver of light and
warmth has been worshipped as God from the dawn of civilization. The value of light as an instrument to increase the day light hours and extend the work
hours encouraged efforts at finding out ways and means of producing better and
better and reliable producer of light. Latest still in the process of
perfection and cost cutting to affordable prices. Experts identify six ways of
use viz, Task, Accent, Ambient, Decorative, Informative and General.
Task lighting
Task lighting is that which makes a task easier to perform, strain free and pleasant
example, a light that makes reading or preparation ingredient in a kitchen
platform.Properly designed task lighting makes task performance easier by
focusing, elimination of shadow, giving right type of cool temperature and
rendering.
Accent lighting
Accent lighting enhances various details of a space or
an object to reveal its texture, color, form or/and pattern; example, a
fireplace or an art piece in Museum gallery.
Ambient lighting
Ambient lighting is the type that illuminates a space.
For example, a room from several sources and sets a minimum level of lighting
which is comforting to the beholder. Ambient lighting is done mostly by
reflecting off the surfaces and rarely by direct incidence. Ambient lighting does not focus on anything
in particular.It helps a person who is
working in task light focused area to look into surrounding darker space
immediately. If surrounding is not
lighted at all eye finds it difficult to adjust suddenly.This causes strain.
Decorative lighting
Decorative lighting is a type which does not have any
obligation to anything else but itself. The object emits light that showoff
like a lighted chandelier. All the effort is to make itself center of
attraction.
Informative lighting
Informative lighting lights area which supplies some
information to the viewer which helps him to become aware of certain things he
should know. Most common example is an
Exit sign in a cinema hall. One can quote many examples such as lighted sign indicating the position of an escalator and highlights how to use it properly
or stop it in the face of a danger.
General lighting
General lighting is the type which is provided with no
particular purpose in mind but just to dispel darkness viz., a bulb hanging
centrally from a pendant in a room as was the routine in our houses fifty years
ago.
Color, texture and
patterns of walls
Next thing one shall have to know is about the color,
texture and patterns on the wall, ceiling and floor space of the room which is to be lighted.These too influence the
nature of the light provided. For example, if the purpose of space is to
indicate warmth and if the walls are already painted in some shade of red then
the lighting required will have to match with the color of the wall.
Color Temperature
Index
There are other factors also which are peculiar to some
situations like in a shop which sells saris the requirement is how the cloth
will look in natural day light. So if you know Color Temperature Index (CTI) of
bulb that would be an added advantage.CTI is given in some other countries on the packing. But in India we only give wattage and supply
voltage.Direct midday sunlight is 5500 K (Kelvin) where as a candle is 2000K
and incandescent light of 40 watts may be 2500 K.
Armed with the above knowledge it would be better if an
expert in lighting is called now and lighting of the house is worked out and cost estimated. An intelligent use of the combination of lights, painting of
walls, ceilings and floors and choice of matching furniture upholstery and
furnishing lends a gratifying atmosphere.
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