Lighting Designer

Information for and about residential lighting designers.

Light Output and 130V Bulbs

Q: I have tried to use 130V bulbs as an energy-saving technique, but found that the light output was different when I compared a 60W 130V bulb and a 60W 120V bulb. The 130V 60W looks more like a 120V…

Surface-Mounted Fixtures Versus Recessed Cans

Q: I am changing the old fluorescent tubes in my kitchen to new recessed LED lights. My original estimate included the installation of 6-inch cans, trim and lights, but now the electrician tells me…

Color Temperature vs. CRI

Q: Just as I understand the concept of color temperature (Kelvin), now CRI is being bandied about as LEDs come into the market. What is it exactly? A: I am right there with you. From the beginning…

Best Color Temperature for Ambient Lighting

Q: How important is color temperature in ambient lighting? Should this be a concern if you are using fluorescents or LEDs for your ambient lighting? A: Frankly, I think color temperature is…

How to Deal With Concrete Ceilings

Q: We have moved into a fantastic high-rise condominium, but we have a problem: The ceilings are concrete and we just have one junction box in the main room. How do we do anything beyond track? A:…

Consistent Color Temperature in Open Floor Plans

Q: We are replacing our 6-inch can light bulbs in our condo with Cree CR6 LED bulbs. We currently have 2700K light bulbs throughout and are struggling with how to handle our kitchen lighting. The…

Understanding CRI and CCT

Q: What is the minimum value of CRI you will accept in your lighting design and why? What value of CCT are you likely to select for a kitchen and why?    A: Your questions make me feel like a…

The Right Lighting Color Temperature

It's tough getting the right color temperature for a space, but luckily, the Lighting Doctor, Randall Whitehead, is here to help! See how Whitehead's advice helped this reader better understand the…

Color Temperature for CFLs, LEDs

Q: Color temperatures are very important as we transition from incandescent bulbs to CFLs/LEDs. I am finding more problems with CFL and LED light sources than what is being portrayed. True color…

Avoiding Reflection From Undercabinet Lighting

Q: What is the best way to avoid glare on a granite counter when using under-cabinet lighting? A: While highly polished granite counter tops are still popular, what we are seeing in the design…
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