• Par 38 Light- Parabolic Aluminized Reflector, 4 ¾ inch diameter
    For year’s par light bulbs were, and to some degree still one of the most common light bulbs available at the hardware store (now Big Box) to the electrical supply store to even the super market- this group of light bulbs starts with the word (abbreviation) par and end with a number. As a lighting designer I knew what was being referred to when the term par was used in lighting, but I assume most do not.
    I performed a search to gauge potential confusion and found over 81 definitions for Par. There were definitions ranging from the airport code of Paris France and Police accident Report to Pelvic anterior rotation. In lighting Par does not mean any of these things. In Lighting the abbreviation par stands for Parabolic Aluminized Reflector and the numbers indicate the diameter of a lamp in eighths of an inch at its widest point.
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  • Lighting Facts
    CRICRI Consider selecting light sources (light bulbs) that have a high CRI (color rendering index) like clearly explained in the chart above. This metric though possibly changing to CQS shortly (color quality scale) is still extremely helpful in areas where the true color of an object is needed to be known.

    CCTCCT CCT (color correlated temperature) is how you pick the actual color of the light being emitted. If you are thinking this a foreign concept you probably already have been changing this in your space if you ever used a dimmer.

    LumensLumens Lumens are a measure of brightness or more technically a unit of luminous flux emitted from a lamp in all directions. The light flux falling on a surface one square foot in area, every part of which is one foot from a point source having a luminous intensity of one candela in all directions.

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