ST. PETERSBURG, Florida — Before you deck the halls and transform your home into a festival of lights, calculate how your twinkling holiday displays will affect your winter energy bills. To help ...

Determining the light levels in your shop is an important part of ensuring that your customers have a pleasant shopping experience. If you have limited natural light or operate at night, you can ...

It’s no secret that lighting designers must wear many hats, but according to the Illuminating Engineering Society of North America (IESNA), the actual number of those hats might surprise you. A review ...

Electrical professionals have long observed the “underloading” of customer-owned transformers, which, in part, is brought about by National Electrical Code (NEC) Chapter 2 design demand rules. This ...

In the past, using lighting-calculation software has been frustrating — programs were time-consuming, keystroke-dependent and hard to master. Users were often restricted to designing simple, ...