Ask Randall

Randall Whitehead lighting designer
Randall Whitehead, IALD

Randall Whitehead, IALD, is a professional lighting designer and author. His books include "Residential Lighting, A Practical Guide." Whitehead has worked on projects worldwide, appeared on the Discovery Channel, HGTV and CNN, and he is regular guest on Martha Stewart Living Radio. Visit his website www.randallwhitehead.com for more information on books, upcoming seminars and the latest lighting trends.

Recent Posts

March 29, 2016
You are still missing task light and accent light. You probably need some decorative floor and table lamps as well, which can also be used for task...
March 29, 2016
Super-shallow recessed fixtures can have a high glare factor. You might consider installing box beams to give you the room for recessed fixtures...
March 29, 2016
Yes, exactly. An incandescent bulb at full brightness has a color temperature of 2700K. Additionally, incandescent bulbs also get warmer in color as...
March 29, 2016
There is still inventory out there for higher-wattage incandescents, but I hope people will use LED sources, which use less power, create less heat...
February 29, 2016
LEDs do very well in cold and freezing temperatures. They are used throughout the United States and other countries for roadway and parking lot...
February 29, 2016
I would say that lumen output is a measurement of the illumination a bulb produces. The wattage is the amount of energy it consumes to produce that...
February 29, 2016
CSA (Canadian Standards Association) is the UL of Canada and just as stringent. They are good to go for installations in the United States.
February 29, 2016
People are always putting high-wattage bulbs in their exterior decorative fixtures. They think it provides more light, but it just produces more...
February 29, 2016
I don’t know why it was not a part of the lighting lexicon earlier, but my guess is that because all incandescents were 100 CRI and all fluorescents...
February 01, 2016
Yes, using just recessed downlights in a room produces harsh shadows on people’s faces and makes the ceiling feel lower. I would recommend dividing...

recent articles

The 2016 issue of Lighting magazine will be available in showrooms and on newsstands throughout the United States and Canada... read full story
Q: What’s the most interesting residential project you’ve worked on recently? A: Northpoint Twenty|20, a high-rise luxury... read full story
Residential Lighting: Tell us about the International WELL Building Institute™. Nathan Stodola: The Institute seeks to... read full story

Webinars

Wednesday, June 8 at 2 p.m. EDT Register for this free CEU webinar here. Webinar Overview:Learning units:AIA/CES LU (HSW) 1.0 Learning UnitIDCEC (IIDA/ASID/IDC/IDS) 0.1... read full story
Sponsored by Emerson and Kuzco Lighting. This free CEU webinar has already taken place, but you can still watch it on demand by clicking here. Webinar Overview:Learning units... read full story
Sponsored by Bock Lighting, CSL, Fanimation, Pure Lighting/Edge Lighting and USA LED Lighting Solutions.   Wednesday, June 10, 2-3 p.m. EDT This free CEU webinar has... read full story
Email Subscriptions