Hubbell Incorporated
EMERGENCY LIGHTING SYSTEM

Abstract:

An emergency lighting system including an auxiliary power supply, a plurality of lights including a first group of lights and a second group of lights, a driver configured to provide power, a switching circuit, a relay, and a controller. The switching circuit includes a driver input configured to receive power from the driver, an auxiliary power input configured to receive power from the auxiliary power supply, an emergency control input. The has a first position, in which power from the driver is provided to the first group of lights and the second group of lights; and a second position, in which power from the auxiliary power supply is provided to the second group of lights. The controller is configured to output a signal to the emergency control input when an input voltage is below a threshold. Wherein, the switching circuit places the relay in the second position upon receiving the signal at the emergency control input.