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Lights & lighting

Any device used for illumination, either for practical use or deliberate aesthetic effect.

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Lights & lighting > Lighting products

current type (AC/DC)

Lights & lighting; Lighting products

Whether the operational voltage is based on Alternating Current or Direct Current.

daylight harvesting

Lights & lighting; Lighting products

Lighting design for building interiors that makes of daylight as a way of reducing energy consumption.

daylight lamp

Lights & lighting; Lighting products

A lamp resembling the color of daylight, typically with a color temperature of 5500 K to 6500K

dichroic reflector (or filter)

Lights & lighting; Lighting products

A reflector (or filter) that reflects one region of the spectrum while allowing the other region(s) to pass through. A reflector lamp with a dichroic reflector will have a "cool ...

dimmable

Lights & lighting; Lighting products

Whether or not the lamp lumens can be varied while maintaining reliability.

dimmer, dimming control

Lights & lighting; Lighting products

A device used to lower the light output of a source, usually by reducing the wattage it is being operated at. Dimming controls are increasing in popularity as energy conserving ...

distance between leg centers

Lights & lighting; Lighting products

For U-shaped Fluorescent lamps, this measurement is the average distance between the centers of each leg.