Emergency lighting battery packs must energize within 10 seconds of a power outage and provide at least 90 minutes of illumination. Those requirements make the battery pack a life-safety component,...
Emergency Exit Sign Installation: A Compliance Guide
The inspection is tomorrow, and the exit signs are already on site. A few are mounted above doors, others are still boxed, and someone has noticed that a new display...
LED Retrofit Downlight Guide: Upgrades for Commercial Spaces
A commercial LED retrofit downlight project can cut lighting energy use by about 50% in a documented CFL-to-LED example, with annual savings of $6.37 per lamp at the electricity price...
9 Types of Lighting Control Systems Explained
A parking structure needs dependable illumination that responds to vehicles and pedestrians without leaving every fixture at full output all night. An office needs daylight-responsive zones that don't leave perimeter...