An egress lighting system which utilizes an efficient primary and emergency light source and complies with the NEC standards for emergency egress lighting. This invention combines two sets of LEDs onto a single circuit board to provide primary lighting and secondary emergency egress lighting while keeping the circuits of the primary and secondary lighting electrically separate or isolated.
A multi-level lighting system which utilizes efficient first and second light sources for energy savings and/or ambiance. This invention combines at least two sets of LEDs on a single light engine to provide multi-level lighting while keeping the circuits of the LED sets electrically separate or isolated.