[header] How to keep cats safe from electrical shock [title] Use power cord covers. [step] Cord covers are heavy, plastic tubing that encase your electrical cords. The covers are too hard to bite or scratch through, which will ensure your cat can't make contact with the electrical current inside. 
Simply guide your appliance's cord through the cover's opening and plug in as normal. The tubing also comes in many widths so you can bundle several cords together or just protect a single cord.