Orin Eman wrote:

>> I guess I wasn't clear. I see the point of having the neutral grounded
>> at the panel (and was assuming it continues to be grounded). But I
>> still think that having the ground wire grounded separately and not
>> connected to the neutral would be safer.
> 
> It's about what happens if the hot wire shorts to a grounded part of
> an appliance.  If such a short exists, you need continuity from the
> ground wire to the neutral at the transformer in order to trip the
> breaker.  

That's why there should be a GFCI. Then the ground current is enough to
break the interrupter, without having to have the ground connected to
neutral.

Gerhard

-- 
http://www.piclist.com PIC/SX FAQ & list archive
View/change your membership options at
http://mailman.mit.edu/mailman/listinfo/piclist