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Lighting Guide
The Lighting Objective

A well lit room is one in which all the the lighting design (both fixtures and technical
plan) blend together to create a beautiful environment in which your eyes focus on
the objects the light falls upon rather than on the light itself.

Guide Purpose: This guide is a practical overview of lighting technology and application. Our focus is to teach people how to create a better lighting environment with compact fluorescent bulbs while achieving high levels of energy conservation.


 
 
Lighting Types

Task Lighting
This light is mainly used to illuminate an area where activities like reading,sewing,
or preparing food occurs. Often achieved with fixtures that direct light onto a work
surface.


Ambient Lighting

Most often called the "general light in a room," providing a soft level of light for
watching TV or entertaining

Accent Lighting
Similar to task lighting, but more focused directional light on artwork, architectural
features, or reading.


Utility Lighting
When you need a lot of light, such as outdoors or when doing work around the
home. This lighting type is used mainly to "flood an area."

Light Levels

Light bulbs emit billions of little light particles from their surface. The amount of
light particles emitted is called Lumens. If you look on a light bulb or on its package
you will see how many lumens it emits; the higher the lumens the better we should
see (keeping color constant: see Color).

Depending on what type of activity you would like to perform there are
recommended lighting levels. Because light levels change with the distance from
its source, and items like shades and covers block light, one can measure the light
level using a light meter (costing approx. $30) which will read the light in lux (i.e.
lumens per square meter). We have provided a short guide to help you determine
the appropriate amount of light for various activities.

Recommended Foot-candles

Color of Light
A light's color affect how we perceive the color of an object lit. For example, a blue
painting under a bluish light will heighten our feeling of its blueness, but a red
painting under a blue light will make it very dull and grayish, because there are no
"red color waves" made by the light.

The main indicator of color is the CCT (correlated color temperature) measured in
degrees Kelvin. Lights of America typically uses 2700K warm spectrum bulbs for
indoors and 6500K for outdoors

Light sources also have another important index: The color rendering index
(CRI) scaled 1 to 100. CRI is important in a home because it affects how furniture,
decorations, and even people look. Incandescents are considered the best at 95 to
100. Newer Tri-Phosphor Fluorescent (this is all Lights of America uses 84 to 88
CRI) is rated above 80, while mercury vapor and old fluorescent are 62 or above.
Using CRI with 84 or better gives very little color shift loss.



All information provided herein is accurate to the best of our knowledge and is for informational purposes only. No liability is assumed by Lights of America, Inc. for any errors or omission of specification data. Please visit "contact us" and submit your inquiry to the customer service department at Lights of America for the most accurate and up to date information. All information provided herein is subject to change without notice. @Copyright 2014 Lights of America, Inc. All rights reserved.