US D379970 S
FIG. 1 is a front elevational view of a cover for electrical boxes embodying our design;
FIG. 2 is a right side elevation of the cover of FIG. 1;
FIG. 3 is a top view thereof;
FIG. 4 is a bottom view thereof;
FIG. 5 is a left side elevation thereof; and,
FIG. 6 is a back view thereof.
The broken line showing throughout the drawing FIGURES is included for the purpose of illustrating environmental structure only and forms no part of the claimed design.