Eric Rushenberg

Eric Rushenberg, Sr. Lighting Designer, HDR, Omaha, NE


An example of a listed ELCD. The scale of the device and threaded hub permits straightforward installation into a standard one-half inch knockout. Courtesy: HDR, Inc.
Lighting and Lighting Controls June 19, 2024

How to specify emergency lighting controls under new standards

Understand how to approach revised UL listing requirements when specifying emergency lighting controls.

By Eric Rushenberg
All Articles