I was once toveiling keilim when a young couple came in to do all their household stuff (newly engaged so they had a ton).
They took out a toaster and I gently asked them why they were toveiling it, as getting a toaster wet is NOT smart. They replied that they always did it, except the cord. I urged them to ask their rav, but they did not. They just dunked the toaster.
I said an extra tefila for them to prevent electrocution.