Lumens, Colour Temp and CRI Explained | Spec. Sense

What is the difference between warm white, neutral and daylight bulbs? What CRI rating should I choose? In this episode of Spec. Sense, Vance explains how to choose a light bulb with the right feel. You'll learn about brightness (lumens), colour temperature (degrees kelvin) and colour accuracy (CRI rating). Each of these specifications can dramatically change the appearance of a light, so it's important to know the differences.

Order replacement bulbs (lamps) online: http://www.amresupply.com/catalog/649404

For more information on each of the bulb shapes and types:
Standard Bulbs:    • Standard Light Bulb - Size & Codes | ...  
Decorative Bulbs:    • Decorative Light Bulb - Size & Codes ...  
Reflector Bulbs:    • Track & Recessed Light Bulb - Size & ...  
Linear Tubes:    • Fluorescent & Linear Tube - Codes & B...  
Twin Tube CFLs (Plug-In Style):    • Plug-In Twin Tube CFLs - Base Codes &...  
Miniature Bulbs:    • Miniature Light Bulb - Size & Codes |...  

Learn about the energy cost and lifespan of different bulbs:    • Lighting - Cost & Lifespan | Spec. Sense  

Not all bulbs are compatible with dimmer switches. Learn more:    • How to Choose a Dimmer Light Switch |...  

Learn more about lighting technology and the difference between incandescent, fluorescent and LEDs:    • How Light is Made - Lighting Technolo...  

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00:00 Intro
00:21 Lumens
01:05 Colour Temperature
02:10 Colour Accuracy

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