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General Lighting

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Will Ceiling fixtures provide the proper lighting?

Ceiling Fixtures are designed to give overall illumination to a room. By the time the light travels the distance from the ceiling fixture to table level, it becomes unfocused and too dim for seeing small details. Putting brighter, higher wattage lamps in the ceiling fixtures is not an economical solution because it increases your electric bill.  A better solution would be to create task lighting.  Task lighting could be a small undercabinette fluorescent fixture, or a table lamp, or...

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What is Task Lighting?

Supplemental lighting provided to assist in performing a localized task, e.g. a table lamp for reading or an inspection lamp for fabric inspection.

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What are the Advantages of Low Voltage Lighting?

Low voltage Halogen lights have many advantages. They can provide up to 66% savings in energy cost. A 50 watt halogen lamp can replace a 150 watt flood lamp with cooler operating temperature while providing whiter, truer light. It is also possible to create much smaller fixture heads which can increase design possibilities.

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What is HID High Intesity Discharge (HID) ?

HID is a general term for mercury, metal halide (GE ConstantColor® CMH®, Multi-Vapor®, MXR or Arcstream®) and high-pressure sodium  lamps. HID lamps contain compact arc tubes which enclose mercury and various gases with other chemicals and operate at relatively high pressures and temperatures.

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What is Fluorescence?

A physical phenomenon whereby an atom of a material absorbs a photon of light and immediately emits a photon of longer wavelength. If there is a significant delay, the phenomenon is called phosphorescence rather than fluorescence. It is interesting that "phosphors" used in lamps exhibit "fluorescence," not "phosphorescence."

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What is "task lighting"?

Task lighting refers to any light source designed specifically to direct light onto some "task" performed by a person or machine.

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Is fluorescent lighting harmful to my eyes?

Fluorescent light is perfectly safe for your eyes. Sometimes very old fluorescent fixtures or a malfunctioning fixture may cause the fluorescent bulb to produce a noticeable flicker. This is most common in Fluorescent fixtures which do not have elctronic starter ballasts.  This flicker may be annoying, but it does not cause harm to your eyes.

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What are the Core and Coil Ballasts?

A ballast that uses a "Core & Coil" assembly to operate fluorescent or HID lamps refers to copper windings on a steel core.

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What Do Lighting Deisgners Know?

Lighting designers are fluent with point and diffuse source output, color and rendition, lamp and fixture photometry, pricing, availability, installation, power, local and national codes, controls, lighting calculations and measurement, software and modeling, and IES recommended practices and standards.

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What is the Canadian Standards Association (CSA)

The CSA is an organization that writes standards and tests lighting equipment for performance as well as electrical and fire safety. Canadian provincial laws generally require that all products sold for consumer use in Canada must have CSA or equivalent approval.

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What is a compact Fluorescent Lamp (CFL) ?

The general term applied to fluorescent lamps that are single-ended. Some CFLs have integral ballasts and medium or candelabra screw bases for easy replacement of incandescent lamps.

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What is a Capacitor?

A Capacitor is a device in ballast which stores electrical energy. This is often used for power factor corrections and lamp regulation.

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What is Glare?

Glare is the visual discomfort caused by excessive brightness.  This is called discomfort glare. If task performance is affected it is called disability glare. Glare can be direct glare or indirect (reflected) glare.

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What is Xenon?

High Intensity Discharge (HID) Xenon headlights are the new generation headlights that are fitted to most luxury cars and most new cars can have them fitted as an (expensive) option. This technology has been in home and commercial lighting for years.  They produce 300% more light than standard halogens and yet use less power. The HID Xenon (not Zenon) lighting technology is significantly different to the conventional halogen bulbs that use a heated tungsten filament. Unlike Halogen lamps...

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What is efficiency as it pertains to lighting?

The efficiency of a light source is simply the fraction of electrical energy converted to light, i.e. watts of visible light produced for each watt of electrical power with no concern about the wavelength where the energy is being radiated. For example, a 100 watt incandescent lamp converts 7% of the electrical energy into light; discharge lamps convert 25% to 40% into light.

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Warm White

Refers to a color temperature around 3000K, providing a yellowish-white light.

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What are the primary benefits of task lighting?

Task lighting can: increase productivity improve personal viewing comfort provide greater control of individual lighting levels save energy dollars

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I have a TABLE LAMP with a SHADE. Isn't that enough?

In most cases a table lamp with a soft shade is not suited for doing tasks that require seeing small details, such as reading or cross-stitch. Table lamps are designed to look pretty with your furniture and give a soft, warm glow. The shade diffuses the light and prevents more intense, focused light from reaching your task.

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What is the Electromagnetic Spectrum?

 A continuum of electric and magnetic radiation that can be characterized by wavelength or frequency. Visible light encompasses a small part of the electromagnetic spectrum in the region from about 380 nanometers (violet) to 770 nanometers (red) by wavelength.

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What is Candlepower?

Candle Power is an obsolete term for luminous intensity.  Current practice is to refer to this simply as candelas.

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What is a Floodlight?

A luminaire used to light a scene or object to a level much brighter than its surroundings. Usually floodlights can be aimed at the object or area of interest.

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What is Full Spectrum Lighting?

Full Spectrum Lighting is a marketing term, typically associated with light sources that are similar to some forms of natural daylight (5000K and above, 90+ CRI), but sometimes more broadly used for lamps that have a smooth and continuous color spectrum.

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What is Testing Laboratory (ETL)

The ETL is an independent testing laboratory that performs ballast tests and certifies accuracy of performance data.

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What is a Lumen?

The international unit (SI) of luminous flux (quantity of lights). For example, a dinner candle produces about 12 lumens and a standard 60-watt incandescent bulb produces 830 lumens. The higher the number is, the brighter the light is.

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What is Accent Lighting?

 Accent Lighting is Directional lighting which emphasizes a particular object or draw attention to a display item.

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What is a Class P Thermal Protector?

A Class P Thermal Protector is a switching device sensitive to current and heat that automatically disconnects ballast if the temperature exceeds UL temperature limitations.

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How does the FCC get involved in Home lighting?

The U. S. Federal agency that regulates emissions in the radio frequency portion of the electromagnetic spectrum. Part 18 of the FCC rules specifies electromagnetic interference (EMI) from lighting devices operating at frequencies greater than 9 kilohertz (kHz). Typical electronically-ballasted compact fluorescent lamps operate in the 24 - 100 kHz frequency range.

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What is Daylight Harvesting?

Natural light is no longer an after thought in home and commercial design.  Light Harvesting is architectual design for building interiors which make use of daylight as a way of reducing energy consumption.

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What does DOT type refer to?

The US Department of Transportation (DOT) lamp number stamped in the glass lens or on the base of a car headlamp.

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How can task lighting increase our productivity?

Do you realize how much more comfortable task lighting makes our jobs? Have you tried it? A recent study by the American Society of Interior Designers found that poor lighting and eyestrain are the most frequent office worker complaints. We must be comfortable to maintain productivity over the course of a day. There are enough demands and distractions that compete for our energy and concentration. Straining to see should NOT be one of them. Seeing should be effortless and automatic. We spend...

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Will poor lighting hurt my eyes?

  No. Poor lighting won?t hurt your eyes when you read or watch television. However, a good source of light will lessen the strain on your eyes.

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How Do I Contact Kichler Lighting?

Kichler's Phone Numbers: 1-866-558-5706   Kichler's Website: http://www.kichler.com/

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High-Bay Lighting

High Bay Lighting is typically desinged for industrial locations with a ceiling height of 25 feet and above.

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What is the GE Edison Award?

The GE Edison Award is an annual competition where lighting designers submit their best projects. The entries are judged by an international panel and awards are presented at a banquet accompanying Light Fair, the North American trade show for the lighting industry.

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What is full spectrum lighting?

Full spectrum lighting replicates natural sunlight. This is used for correct color perception where it is imperative to match colors. Proponents of full spectrum lighting say that it reduces glare, increases productivity, operates cooler, and may increase feelings of well being due to the simulation of natural daylight. It is important to note that while some companies market their products as being "full spectrum" lamps, almost any flourescent lamp can become a "full spectrum" lamp by simply...

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What are Foot Candles?

A unit of illuminance or light falling onto a surface. It stands for the light level on a surface one foot from a standard candle. One footcandle is equal to one lumen per square foot. See also Lux.

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What is the Most Effective Way to Manage Commercial Lighting?

Only apply as much light as minimally needed using fully shielded fixtures that prevent glare and excessive upward light spill to assure safe and secure conditions on your property.  Install an astronomical time clock to assure needless energy is not wasted after business hours.  An astronomical time clock uses a photosensor that automatically synchronizes switch settings with varying daylight that changes during the seasons and does not require resetting each time there is a power ...

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What is Ambient Lighting?

Ambient lighting is the general lighting present in an area --excluding task lighting and accent lighting but including general lighting and daylight streaming in.

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What is the Coil?

The coil is the windings of copper or aluminum wire surrounding the steel core in a ballast. It also refers to the entire assembly comprising the inductor or transformer.

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What exactly is the Core?

The Core is a component of an electromagnetic ballast that is surrounded by the Coil. The Core is comprised of steel laminations or solid ferrite material.

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Candlepower Distribution Curve

A graphical presentation of the distribution of light intensity of a light source, usually a reflector lamp or luminaire.  This can be found most commonly in manufacture catalogs and on line as well.

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What is a Electro-magnetic Ballast (Magnetic Ballast) ?

A ballast used with discharge lamps that consists primarily of transformer-like copper windings on a steel or iron core.

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