The ornamental design for a safety/emergency lighting apparatus, as shown.
FIG. 1 illustrates a perspective view of a safety/emergency lighting apparatus.
FIG. 2 illustrates an inverted front plan view of the safety/emergency lighting apparatus thereof.
FIG. 3 illustrates a side elevation view thereof.
FIG. 4 illustrates a top plan view thereof.
FIG. 5 illustrates an opposite side elevation view thereof.
FIG. 6 illustrates a bottom plan view thereof; and,
FIG. 7 illustrates a front plan view thereof.
The broken line showing of openings and mounting elements is included for the purpose of illustrating portions of the “article” and forms no part of the claimed design.