Matt Fellman
04-29-2009, 08:27 PM
ELECTRICAL GROUND: Why Three Prongs? (http://amasci.com/amateur/whygnd.html)
This is somewhat of a crash course in the evolution of residential wiring. It would be a good place to start for someone who knows nothing about it.
This is somewhat of a crash course in the evolution of residential wiring. It would be a good place to start for someone who knows nothing about it.