hi,
i am building a coil gun. i have 1 400v capacitor to test it out for now, and i am charging it with a 12v wall adapter( i also have a 31v adapter from an hp printer), and i need to know when i fire the gun will it be safe if there is 400v+ going back through the ground plug of the adaptor. my specialty is computer hardware so im new to this kinda stuff.