Protective casing for electrical device

Description

FIG. 1 is a front right perspective view of a protective casing for electrical device, in accordance with my new design;

FIG. 2 is a right bottom perspective view thereof;

FIG. 3 is a front elevation view thereof; and,

FIG. 4 is another right top perspective view of FIG. 1.

The blurred areas show environmental structure that forms no part of the claim designed.

Claims

The ornamental design for a protective casing for electrical device, as shown and described.