FIG. 1 is a perspective view of a square arm luminaire according to the present disclosure;
FIG. 2 is an enlarged right side view thereof;
FIG. 3 is an enlarged left side view thereof;
FIG. 4 is a front view thereof;
FIG. 5 is a back view thereof;
FIG. 6 is an enlarged top view thereof;
FIG. 7 is an enlarged bottom view thereof; and,
FIG. 8 is an alternative perspective view.
The claimed design is shown in solid, relatively broad lines. The broken lines in the Figures show environmental structure only and form no part of the claimed invention. The design is shown broken away to indicate that the design is of no specific length or height.