[RE-wrenches] Fwd: Grounding on a glacier??

[toddcory at finestplanet.com]

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" <daryl_solar at yahoo.com> 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
> 
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