ap to the outside of the powersupply. (Never plug your computer in while youare connected to it by a wrist strap.) This willensure that you, the case and the power supply are all connected to a common ground, in otherwords there will be no inequalityof charge that will allow a spark to jump from you to the case.It??s also helpful to have anantistatic mat to set the case and other components on. 2.