David Repair

David Repair, PE, LC, Assoc. IALD, is an electrical engineer at LEO A DALY with expertise in lighting design with a focus on how lighting systems affect building occupants.


Figure 1: A resort has multiple luminaires by exterior doors, so if more than one was powered by the emergency system, total darkness would be prevented even if one failed. This photo highlights the architectural details of the façade, and also provides wayfinding for the property.
Lighting and Lighting Controls March 9, 2023

Avoiding total darkness in emergency lighting scenarios

Understand the NEC requirements related to component failure in emergency lighting fixtures

By David Repair
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