The ornamental design for control elements for an electricaldevice, as shown and described.
FIG. 1 is a plan view of the control elements for an electrical device, showing our new design;
FIG. 2 is a right-side elevational view thereof; the bottom view is substantially identical, and the left-side and top views are substantial mirror images thereof; and,
FIG. 3 is a right, top perspective view thereof.
The broken lines define the bounds of the claimed design.