I would look at the cable box on the outside of your home.

by Ed Mead Moderator - 12/3/12 4:54 PM

In Reply to: How do I clear the voltage in my coax cable? by HOGS8403

It should be grounded to the ground rod that goes in the soil below your electric meter. If your ground wire is bad, you need to replace it. Also how old is your home?