/diy/ - Do It Yourself

>>2790931
>about 6 inches long, shot out of the front of the dryer

dry air supposedly needs 30kV per centimeter to ionize
so 6 inches would represent 450kV
that's 40 times higher than you'll find on a typical power pole
or about what you'd find on one of those giant transmission towers
given that there's no hi-voltage generators inside a dishwasher
i'd say the most likely cause is not a bad ground, but a mischievous poltergeist
fortunately, several hollywood movies have dealt with the subject, so you can Netflix one to find out what to do