Abstract: In a preferred embodiment, an apparatus, including: a light fixture having a concave reflector disposed on a rear surface thereof; and at least one LED directed at a concavity of the concave reflector.

Abstract: In a preferred embodiment, a disaster lighting system for a railroad passenger car of the type in which emergency lighting is provided for a first predetermined length of time if AC power is lost, including: a first sensor operatively connected to detect loss of AC power to the railroad passenger car and to provide a first output indicative thereof; a second sensor to detect loss of DC power from a central battery in the railroad passenger car or lowering of voltage thereof below a predetermined level and to provide a second output indicative thereof; and a controller operatively connected to receive the first and second outputs and to initiate disaster lighting for a second predetermined length of time if the AC power is lost and if the DC power is lost or voltage of the DC power drops below the predetermined level.

Abstract: In a preferred embodiment, a lighting fixture lens retainer for a lighting fixture of the type having a generally horizontally extending first lens held in upper and lower fixture members by insertion of first and second mounting flanges formed, respectively, along upper and lower edges of the first lens inserted into first and second mounting grooves formed, respectively, along the upper and lower fixture members, the lighting fixture lens retainer comprising: a retaining member being disposed within the lighting fixture and being movable between a first, open position in which the retaining member is spaced apart from an inner surface of the first lens and a second, securing position in which the retaining member bears against the inner surface of the lens in such manner as to secure the first mounting flange in the first mounting groove.