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 and follow his blog www.lightmakesright.com for more information on books, upcoming seminars and the latest lighting trends.

Recent Posts

December 05, 2011
Yes, CFLs do contain mercury; it is an essential element of the bulb’s anatomy, without which it could not operate. The amount of mercury used in a...
December 05, 2011
We need to break this question down into two categories. The first would be manufacturers of CFLs that are dimmable and that screw into a standard...
December 05, 2011
Thank you for your full-bodied response to my March column, “Seeing Red About Green”— which was a counterpoint to a reader’s reaction to February’s “...
December 05, 2011
These days it means reflector luminaire manufacturer, but originally it meant reflector light microscopy. It is a fixture that is designed to project...
December 05, 2011
Using dimmable cold cathode lamps (known as CCFLs) is a good way to go. They have an average rated lamp life of 25,000 hours, as compared to CFLs at...
December 05, 2011
The short answer is that the rumors are true-ish. According to the United Kingdom’s Health Protection Agency (HPA), being too close to some energy-...
December 05, 2011
The higher a ceiling is, the more flexibility you have for a mounting height on the wall. Plus, placement depends on the sconce you choose and...
December 05, 2011
You’re right that under-cabinet LEDs are costly, but I believe that in 12 to 18 months we will be seeing LED versions that are comparable in price to...
December 05, 2011
Yes, halogen lamps are hotter than standard A-lamps. You can actually cook food with halogen lamps. Think of how much faster those Easy-Bake ovens...
December 05, 2011
There will be incandescent lamps available, especially for historic fixtures; although you may have to smuggle them in from Canada ... like I do with...

recent articles

Q: Why Visual Comfort? A: They know their business; they know their market; they love a challenge and they totally rise to... read full story
Categories that aren’t self-explanatory — like accent lighting, architectural lighting and landscape lighting — need help to... read full story
Residential Lighting: What do you mean by “The Human Brand”? Chris Malone: Through research with Dr. Susan Fiske, a... read full story
In June 1990, Larry King made a scary decision. He had been at Ohio Lighting Center since 1975, where in 15 years he worked... read full story

Webinars

Sponsored by Access Lighting, Engineered Lighting Products, Langlais Group Inc., LTF and Pure Lighting/Edge Lighting.   This webinar has already taken, place but you can... read full story
Sponsored by Access Lighting, Engineered Lighting Products, Ferguson, GM Lighting and Maxim Lighting/ET2.   This webinar has already taken place, but you can view an... read full story
Sponsored by Access Lighting, AFX Inc., Engineered Lighting Products, Langlais Group and Pure Lighting/Edge Lighting.   This live webinar has already taken place, but... read full story