FIG. 1 is a perspective view of an outdoor lamp holder;
FIG. 2 is a front view of the outdoor lamp holder;
FIG. 3 is a rear view of the outdoor lamp holder;
FIG. 4 is a left view of the outdoor lamp holder;
FIG. 5 is a right view of the outdoor lamp holder;
FIG. 6 is a top side view of the outdoor lamp holder;
FIG. 7 is a bottom side view of the outdoor lamp holder;
FIG. 8 is another perspective view of an outdoor lamp holder when it is opened;
FIG. 9 is another front view of the outdoor lamp holder when it is opened;
FIG. 10 is another rear view of the outdoor lamp holder when it is opened;
FIG. 11 is another left view of the outdoor lamp holder when it is opened;
FIG. 12 is another right view of the outdoor lamp holder when it is opened;
FIG. 13 is another top view of the outdoor lamp holder when it is opened; and,
FIG. 14 is another bottom view of the outdoor lamp holder when it is opened.
The broken lines depict portions of an outdoor lamp holder in which the design is embodied that form no part of the claimed design.