North American Network Operators Group
Date Prev | Date Next |
Date Index |
Thread Index |
Author Index |
Historical
Re: DC power versus AC power
- From: Steven M. Bellovin
- Date: Mon Dec 30 10:49:54 2002
In message <004f01c2b018$4ac14900$ae876540@amer.cisco.com>, "Stephen Sprunk" wr
ites:
>
>Thus spake joe mcguckin <joe@via.net>:
>> 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?
>
No -- 5 ma is correct. (GFIs measure the difference in current between
the hot and neutral leads -- if it exceeds 5 ma, it trips.)
--Steve Bellovin, http://www.research.att.com/~smb (me)
http://www.wilyhacker.com (2nd edition of "Firewalls" book)
|
