Dishwasher: Can my ground wire be exposed?
Residential Dishwashers are connected with a cord. The ground wire is the most important wire because it is intended to keep people safe from shock hazards. Unlike the NM cables (romex) that runs throughout your home cords come with an insulated ground. Some dishwashers have a ground wire and some have a grounding screw that the green wire of the cord needs to connect to. The main thing here is to make sure you are grounded. Grounds come insulated and non insulated but they both preform the same function. Insulation on a ground wire is intended to keep that wire from touching live parts or electrical systems. I am not sure how your dishwasher is connected. Does it have a cord that plugs into an receptacle or is it connected to a piece of romex?