Lighting. Saturday , September 22nd , 2018 - 04:48:20 AM
The proper name for color temperature is The Correlated Color Temperature (CCT). The CCT is described in degrees Kelvin (starting at absolute zero). It is backwards in a way, because when a color of a light source has a high temperature associated with it, it is considered to be a cool color, and if it has a low temperature it is a warm color. Lighting sources with a CCT rating below 3200 K are usually considered "warm", while those with a CCT above 4000 K are usually considered "cool" in appearance. Using a light with a high Correlated Color Temperature will give a greater perception of brightness in the space than lower ones. When calculating a color temperature (CCT) we take the light we are looking at, and compare it to a Blackbody standard base line color model that has radiant power at all wavelengths of light, and where our color falls according to the base model will tell us what our color temperature is. Even at a given Correlated Color Temperature, color can vary. To avoid such variation, the EPA recommends you purchase bulbs from the same manufacturer at the same time. The color temperature rating is listed on the product packaging.
Accent light: Such light is typically four times the intensity of an area's general (ambient) light and focuses attention on a specific object or room fixture. Quite often, halogen lights are used to provide a bright-white glow to an object. In some cases, the accent light can be equipped with a focusing lens in order to target a specific feature of a fixture or object. Display light: This light is typically of low voltage and is used in the display of small keepsakes, figurines, dinnerware, etc. In this case, xenon or halogen lights which range from 3W to 20W are typically used.
Solar lights come in a variety of styles: two or three tiered lamps, lanterns that hang from an ornamental rod, bollards (small, dome-shaped lights,) tiki torches, fence lights, post lights, small reflector-type flood lights and walk lights with star-patterned down lights. The average cost of a solar light can range from $2.50 to $5.00 depending on the size and whether it is metal or plastic. Most solar lights are LED's today and give a crisp white light that lasts longer than an ordinary incandescent bulb. Solar lights can last for two, three and sometimes four years-the rechargeable battery can easily be replaced when the light grows dim. Solar light provides an attractive accent light that can be used in any area of a yard or garden. Place them where they can be exposed to sunlight all day to get the best and longest illumination at night (usually eight to ten hours.) Solar lights can be purchased singly or in packs of six and ten.
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