Some even cover damage due to a resulting electrical surge - check with your company for details. (rmiia.org)
Your home insurance policy may have coverage for electronics, including your cell phone, in case they get fried by a sudden electrical surge or you somehow break them. (clark.com)
This way, if a fire, theft, lightning storm, or electrical surge does damage to your belongings, you are fully covered and can replace your damaged items. (rentersinsurance.net)