Hmmm, I wonder how the birds can sit on those same HV wires and do just fine? If a wire is not referenced to the ground you are standing on, touching it would not give you a shock unless you were also in contact with the other conductor it is referenced to.
Todd On Friday, July 24, 2009 11:23am, "Darryl Thayer" <[email protected]> said: > > The reason for grounding to limit the hazards associated with fault > conditions. > If a utility source is unintensionally connected to high voltage the pair of > wires > can be at elevated voltage. example would be if a 13,000 volt line falls > onto a > 120 volt line, the 120 volt line can be raised to 13,000 volts, and the > victium > would be fried. So we ground such that the 120 line can not get higher than > 120 > volts above ground. > > The reference to ground is because we are referenced to ground as we stand > bare > foot and > > Darryl >
_______________________________________________ List sponsored by Home Power magazine List Address: [email protected] Options & settings: http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org List-Archive: http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org List rules & etiquette: www.re-wrenches.org/etiquette.htm Check out participant bios: www.members.re-wrenches.org
