The ornamental design of a cap for opticalfiberconnectors, as shown and described.
FIG. 1 is a perspective view of a cap for an optical fiber connector;
FIG. 2 is another perspective view thereof, shown in environmental use;
FIG. 3 is a front side elevation view thereof;
FIG. 4 is a back side elevation view thereof;
FIG. 5 is a right side elevation view thereof;
FIG. 6 is a left side elevation view thereof;
FIG. 7 is a top plan view thereof; and,
FIG. 8 is a bottom view thereof.
The broken line portion of the figure drawings is included to show portions of the cap for optical fiber connectors that form no part of the claimed design. The additional broken lines of FIG. 2 show an exemplary optical fiber connector and form no part of the claimed design.