|
0 members (),
34
guests, and
12
robots. |
Key:
Admin,
Global Mod,
Mod
|
|
|
Joined: Sep 2006
Posts: 6
OP
Junior Member
|
COULD SOME ONE GIVE ME A GOOD DISCRIPTION OF AN ISOLATED GROUND..
|
|
|
|
Joined: Jan 2005
Posts: 5,445 Likes: 3
Cat Servant Member
|
An "isolated ground" is one where the groundING conductor is separated / insulated from the raceway, and does not contact other groundING conductors prior to arriving at the panel.
|
|
|
|
Joined: Jul 2004
Posts: 9,930 Likes: 34
Member
|
In the computer biz they specify that the IG conductors will originate at the ground busbar where the Grounding Electrode Conductor lands in the service disconnect enclosure and that it radiates to the equipment in a tree fashion from there with no parallel paths. It will be isolated in any intervening distribution panels. Since we never brought the neutral to the computer panels they would use the insulated neutral busbar for the IG. Green reidentification of all of the conductors made it apparent this was a grounding bus. Sometimes they were also labelled that way. Usually we also had a bare wire ground bonding conductor to the enclosures too.
Greg Fretwell
|
|
|
|
Joined: May 2002
Posts: 1,716
Member
|
Here is a graphic from Ed MacLaren Roger
|
|
|
|
Joined: May 2002
Posts: 1,716
Member
|
This thread has been relocated to the "NEC & other Code issues" forum, please continue the discussion HERE Thanks Roger
|
|
|
HCE727
Delaware County, PA, USA
Posts: 187
Joined: November 2005
|
|
|
|
|