On Tue, Feb 22, 2022 at 11:19 AM Neal Becker ndbecker2@gmail.com wrote:
[...] e.g. erasing the partition table on the drive (I don't have another machine handy to verify this), [...]
If it was just erasing the partition table the drive would still be visible using lsblk, and you could re-partition it with fdisk, etc.
You mentioned a surge suppressor strip - any chance it has already suppressed a surge in the past? If so, it might not be functioning as a surge suppressor anymore.