On Sat, Jul 19, 2014 at 11:28 AM, <terryrs at comcast.net> wrote: > > ...Uhm...that was because I dropped the screwdriver when the shock jolted > all the way through the screwdriver's insulated handle. > This is why you want to have your mother-in-law or perhaps a kid brother hold the screwdriver. You can then assess the quality of spark based on how high they jump.