This article by Michael Shulman, Principal Engineer, Lighting for UL, describes how the changing lighting control landscape presents new challenges for emergency lighting control.
The article begins:
The evolving digital lighting landscape presents many opportunities for enhanced system-level controls and automation intended to better manage energy consumption and improve the work and living conditions of building occupants. These advances have triggered the need to adjust codes and standards to ensure essential safety features are not compromised by expanded functionality and complexity. Among the considerations are the expected knowledge and diligence of those responsible for installing and maintaining these products where their action — or lack thereof — can compromise the safety of the building occupants.
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