Types ofilluminationPDF

Color temperature The color of the light source. By convention, yellow-red colors (like the flames of a fire) are considered warm, and blue-green colors (like light from an overcast sky) are considered cool. Color temperature is measured in Kelvin (K) temperature. Confusingly, higher Kelvin temperatures (3600–5500 K) are what we consider cool and lower color temperatures (2700–3000 K) are considered warm. Cool light is preferred for visual tasks because it produces higher contrast than warm light. Warm light is preferred for living spaces because it is more flattering to skin tones and clothing. A color temperature of 2700–3600 K is generally recommended for most indoor general and task lighting applications.

Silhouette Lights are Low voltage (12V) landscape lighting that are ideal for residential and light commercial use. The LED bulbs in our low voltage lighting save up to 85% of electricity compared to conventional incandescent and halogen bulbs. Our lights are easy to install and maintain and are built to last.

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The lifespan of low voltage landscape lighting depends on several factors, including the quality of the fixtures, the type of bulbs used, and the frequency of use. However, with proper maintenance and care, low voltage landscape lighting can last for several years.

Definition. Polarized light is light in which the vibrations of the electromagnetic waves are restricted to a particular direction.

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Accent lightingDraws attention to special features or enhances the aesthetic qualities of an indoor or outdoor environment.

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If you are unsure about your ability to safely install the system, it is best to hire an experienced professional to do the job for you.

EfficacyThe ratio of light produced to energy consumed. It's measured as the number of lumens produced divided by the rate of electricity consumption (lumens per watt).

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To choose the best energy-efficient lighting options for your home, you should understand basic lighting principles and terms.

Low voltage landscape lighting is a lighting system that is designed to illuminate your outdoor spaces, such as gardens, pathways, and patios, using a low voltage power source.

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Yes, you can add additional lights to your existing low voltage landscape lighting system. However, it is important to ensure that your transformer can handle the additional load and that you use wire connectors to properly connect the new lights to the existing wiring.

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To install low voltage landscape lighting, you will need a transformer to reduce the 120-volt output from your house's electrical system to the 12 volts used by low voltage Silhouette Lights.

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Our transformes come in 3 versions. You will first want to determine how many and what specific low voltage landscape lights you plan to use for your project. Once the quantities and models have been chosen you can then properly size your transformer by multiplying the number of each light by the watts used and then add all the watgages together.

Yes, you can install low voltage landscape lighting in wet areas such as near fountains, ponds, or waterfalls. However, it is important to choose fixtures that are rated for wet locations and to follow all safety guidelines for outdoor electrical installations.

The intensity I of polarized light after passing through a polarizing filter is I = I0 cos2 θ, where I0 is the original intensity and θ is the angle between the ...

FootcandleA measurement of the intensity of illumination. A footcandle is the illumination produced by one lumen distributed over a 1-square-foot area. For most home and office work, 30–50 footcandles of illumination is sufficient. For detailed work, 200 footcandles of illumination or more allows more accuracy and less eyestrain. For simply finding one's way around at night, 5–20 footcandles may be sufficient.

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The wattage of all the low voltage landscape lights added together needs to be less than 80% of the transformer's capacity. Remember that you may want to leave room on the transformer to add additional fixtures in the future.

Light waves are forms of moving energy made of tiny microscopic particles called photons. Scientists usually refer to light waves as electromagnetic waves ...

Glare The excessive brightness from a direct light source that makes it difficult to see what one wishes to see. A bright object in front of a dark background usually will cause glare. Bright lights reflecting off a television or computer screen or even a printed page produces glare. Intense light sources -- such as bright incandescent lamps -- are likely to produce more direct glare than large fluorescent lamps. However, glare is primarily the result of relative placement of light sources and the objects being viewed.

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Color rendition Color quality, or how colors appear when illuminated by a light source. Color rendition is generally considered to be a more important lighting quality than color temperature. Most objects are not a single color, but a combination of many colors, and certain light sources may change the apparent color of an object. The Color Rendering Index (CRI) is a 1–100 scale that measures a light source's ability to render colors the same way sunlight does. A light source with a CRI of 80 or higher is considered acceptable for most indoor residential applications.

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2021711 — Dispersion is defined as the spitting of white light into different colors when passed through a prism.

Task lightingFacilitates particular tasks that require more light than is needed for general illumination, such as under-counter kitchen lights, table lamps, or bathroom mirror lights.

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