Ask Randall

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

July 06, 2012
The first situation that came to mind is trying to screw in light bulbs while standing on a donkey. The second most challenging situation is when the...
July 06, 2012
You need to become familiar and comfortable with new alternative light sources and light fixtures so that you can make educated decisions on how they...
June 12, 2012
There are a number of factors that affect lamp life. First off, you are right about “average rated lamp life.” This means that half the lamps burn...
June 12, 2012
There isn’t a hard-and-fast rule about when to use clear or frosted flame-tip lamps (B10 is the industry name for them). It depends on the type of...
May 18, 2012
You are right on all counts with incandescent light, but the same is not true with CFLs and LEDs. Neither of these sources gets warmer in color when...
May 18, 2012
Halogens are twice as hot as standard incandescent lamps. If a table lamp is UL-rated for 75W, it is referring to a standard household bulb. You can’...
April 12, 2012
That depends on what formula is used. Some use 24 hours a day, seven days a week, while others use 12 hours a day or even six hours a day (based on...
April 12, 2012
LED lamps and components will continue to improve in efficacy, CRI and output over time, long before our original purchases have burned out. If...
April 12, 2012
LEDs do produce heat. That is why there is so much metal in the lamps and fixtures to act as heat sinks. The main difference is that they do not...
April 12, 2012
What is the room that you are lighting being used for? How is the furniture laid out? Instead of just doing a grid of recessed fixtures, my...

recent articles

Q: How did you find your calling?A: My love of glass began when I was a young girl visiting my grandparents’ chandelier and... read full story
Residential Lighting: What’s the outlook for homebuilding? Matt Belcher: The forecast for new home construction for the rest... read full story
2016 Houzz & Home Survey An annual Houzz survey of 120,000 respondents on residential remodeling, building and... read full story
There’s something to be said about learning from the experience of others — in personal matters and in business. Mom-and-pop... read full story

Webinars

Sponsored by Legrand and Bulbrite.  Wednesday, October 5 at 2 p.m. EDT Register for this free CEU webinar here. Webinar Overview:Learning units:AIA/CES LU (HSW) 1.0... read full story
This webinar has already taken place, but you can still watch it on demand by registering here. Sponsored by Emerson and Legrand. Webinar Overview: Learning units:AIA/... read full story
This webinar has already taken place, but you can still watch it on demand by registering here. Webinar Overview:Learning units:AIA/CES LU (HSW) 1.0 Learning UnitIDCEC (IIDA/... read full story
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