I dont think any cap in a mb is big ebough to shock you
PS3
Asher Cruz
Hudson Ramirez
The conduction path is likely going to be short and the chances of it discharging through his arms are not as high as blindly grabbing the board and getting a good shock in the hand. Besides it's a good way to learn a lesson if one is dumb/new.
Samuel Powell
You "can" wash with water, but it oxidises and can cause rust etc, thus you need distilled water, and not regular water. That is, if you really need to wash it.