Hmmm, forgive me if I am wrong but I wonder if the following will
help?
wrote..
#Chaps,
#
#The grounding of a shield room has always been a tricky subject. In the
US we
#have the NEC code that basically want's everything connected, which
#contradicts some EMC requirements. The Shield room henc
rsday, October 08, 1998 11:52 AM
To: lfresea...@aol.com
Cc: mhopk...@keytek.com; emc-p...@ieee.org
Subject:Re: Room grounding
As I understand it, Lingren connects the shielded rooms they build
back to the
main building ground point by a separate ground wire. The conduit is
disconne
As I understand it, Lingren connects the shielded rooms they build back to the
main building ground point by a separate ground wire. The conduit is
disconnected by use of a plastic sleave. I assume they do this because the AC
filters incorporated in the shielded room include LARGE capacitors to t
Mike,
sorry you disagree.
Inside the room, all equipment is referenced to the room itself, there is no
new safety risk introduced by the room being grounded differently.
Outside the room, again, all equipment is referenced tightly to the room, so
the operator does not see any differential.
Shou
I absolutely disagree about having a separate ground for the shielded room.
Any ac fault inside the room can potentially cause a personnel hazard, as
will any lightning strike to the vicinity. A separate ground for the
shielded room is acceptable ONLY if it is bonded to building ground. The
risk ma
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