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 for more information on books, upcoming seminars and the latest lighting trends.

Recent Posts

December 05, 2011
First of all, thank you for plugging the book—and for pointing out that I had totally overlooked lighting kids’ bedrooms. You will be happy to know...
December 05, 2011
Ouch, now that you’ve bitten my head off, give me a moment to reattach it before responding. I agree that this is a tough time to launch a product...
December 05, 2011
Okay, technically this is not a question but more of a declarative statement. Here’s the bottom line: Seeing is believing. I take potential clients...
December 05, 2011
I do agree that what people are buying at the grocery and big box stores are not the best CFLs on the market. They are simply the cheapest. For good...
December 05, 2011
The more advanced screw-in CFLs (like those made by TCP Inc.) have electronic ballasts, so they should be compatible. Also, the fixture manufacturers...
December 05, 2011
Both screw-in CFLs and standard incandescent lamps have shorter lives when put into recessed fixtures. The heat rises toward the base and weakens it...
December 05, 2011
I did my research but could not find any specific studies that compared the life of a lamp shade using a CFL to one using an incandescent source. I...
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 “...

recent articles

Residential Lighting: Tell us about Lights Fantastic Pro (LFP). Jon Sayah: We’re trying to do three things. One, inspire the... read full story
Google’s 360-degree tours, called Business View, invite customers inside your space virtually, giving panoramic views in a 3... read full story
In a day and age where the Internet is king, digital information protection is royally important. It’s a commonly held... read full story
Residential Lighting: You have the blog. Why did you write a book? Gabrielle Blair: I didn't really have “book... read full story


Wednesday, Dec. 2, 2-3 p.m. EST Sponsored by Kuzco Lighting. Register for this free CEU webinar by clicking here. Webinar Overview:Learning units:AIA/CES LU (HSW) 1.0... 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
Sponsored by Emerson, Ferguson and Pure Lighting/Edge Lighting. This free CEU webinar has already taken place, but you can watch the archived presentation on-demand by... read full story