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 ...

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 ...

Many find it fun and festive to string outdoor decorative lights, lifting the spirits not only of those who decorate but all ...

Based on the 2020 National Electrical Code. Article 220 of the 2020 National Electrical Code (NEC) contains the requirements for calculating demand loads for branch circuits, feeders, and services.

Balancing public and private interests for nighttime lighting has been a difficult undertaking, as too little lighting may increase safety and security issues, while too much lighting may cause ...

Joel Spahn is a Software Developer for Lighting Analysts, Inc. and Lead Developer of ElumTools, a lighting calculation add-in for Autodesk® Revit®. He is also author of Lighting Analysts’ Flash-based ...