NCIDQ Flashcards
The overall light for the space
ambient lighting
indicates whether a lamp has a warm, midrange, or cool color appearance
color temperature
the measurement of the amount of light falling on a surface
illuminance
placing recessed lights close to the wall to enhance the appearance or texture of the wall
grazing
within 12”
lighting specific to an individual person or area
task lighting
light sources have this rating based on their predominant wavelength color, typically ranging from 2000K to 9000K
Kelvin
LED
light emitting diodes
published standards and design guidelines for best practice from the Illuminating Engineering Society of North America
IES Lighting Handbook
CRI
color rendering index
the measurement of how much light is directed at a specific object when it is 12 inches away
footcandle
the ability of a light source to accurately reproduce the colors of the object it illuminates
color rendering index
IBC requirements for minimum maintained illuminance on the interior path of egress emergency lighting, ___ footcandle average
1fc
shortest wavelength of visible light
violet
a private organization which tests and lists electrical equipment for electrical and fire safety
UL Underwriters Laboratories
the perception of brightness of the light reflected off a surface
luminance