North American Network Operators Group

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Re: DC power versus AC power

  • From: David Lesher
  • Date: Mon Dec 30 10:46:10 2002

Unnamed Administration sources reported that Stephen Sprunk said:
> 
> 
> > It only takes 30ma to put your heart into atrial fibrillation. In the
> > usa, gfi's are set to trip at 5ma.
> 
> Did you mean 5A, or am I misunderstanding GFIs?

5ma is correct.
It takes very little current to cause fibrillation.

GFI's compare the current going out the hot lead of a receptacle
with that coming back the neutral. If there is more out than back,
it makes the assumption the rest is going through Jill Winecooler/
Joe Sixpack to ground, and trips.




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