238.115—Emergency lighting.
(a)
This section applies to each passenger car ordered on or after September 8, 2000, or placed in service for the first time on or after September 9, 2002. This section applies to each level of a multi-level passenger car.
(1)
A minimum, average illumination level of 1 foot-candle measured at floor level adjacent to each exterior door and each interior door providing access to an exterior door (such as a door opening into a vestibule);
(2)
A minimum, average illumination level of 1 foot-candle measured 25 inches above floor level along the center of each aisle and passageway;
(3)
A minimum illumination level of 0.1 foot-candle measured 25 inches above floor level at any point along the center of each aisle and passageway; and
(ii)
Operating after the initial shock of a collision or derailment resulting in the following individually applied accelerations:
(iii)
Operating all emergency lighting for a period of at least 90 minutes without a loss of more than 40% of the minimum illumination levels specified in this paragraph (b).