ECN Electrical Forum - Discussion Forums for Electricians, Inspectors and Related Professionals

ECN Shout Chat
Top Posters(30 Days)
Admin 19
Recent Posts
fuse rejectors
by NORCAL. 03/29/17 01:44 AM
Old decora style outlets
by NORCAL. 03/29/17 01:41 AM
NFPA stuff
by gfretwell. 03/28/17 08:08 PM
Anyone hiring inspectors?
by HotLine1. 03/27/17 08:03 AM
ESA Arc flash course
by TheShockDoctors. 03/24/17 10:15 AM
New in the Gallery:
SE cable question
Popular Topics(Views)
231,766 Are you busy
166,663 Re: Forum
160,809 Need opinion
Who's Online Now
0 registered members (), 62 guests, and 9 spiders.
Key: Admin, Global Mod, Mod
Previous Thread
Next Thread
Print Thread
Rate This Thread
#81253 - 07/29/02 07:45 PM Main G.E.C used also as an E.G.C  
cthusky  Offline
Junior Member
Joined: Feb 2002
Posts: 6
South Windham Ct, USA
Senerio: Contractor does a 100 amp to 200 amp service upgrade to a single family home. The meter, and 100 amp panel, were located in the basement. The new meter is now located outside of the garage,and a new 200 amp panel is located on the inside wall of the garage. The old panel was left in the basement as a subpanel. The contractor fed the old panel with pvc from the new 200 amp panel. In the pvc are the two ungrounged legs, the neutral,and the main grounding electrode/equipment grounding conductor(one wire which hits a lug on the ground bar{neutral is isolated} then proceeds through the panel to the water meter located a couple feet away).Here's my question. Can the main g.e.c also be used as a e.g.c? I know system grounding is different then equipment grounding, but besides by definition is there an applicible article in the code I can refer to?


2017 / 2014 NEC & Related Books and Study Guides

#81254 - 07/30/02 06:16 AM Re: Main G.E.C used also as an E.G.C  
sparky  Offline
Member
Joined: Oct 2000
Posts: 5,303
cthusky,
if in fact, this is a detatched garage, then both structures would require a GEC, and GE's, and the conductor you mention bettween panels would merely be the EGC.


#81255 - 07/30/02 07:32 PM Re: Main G.E.C used also as an E.G.C  
cthusky  Offline
Junior Member
Joined: Feb 2002
Posts: 6
South Windham Ct, USA
Sparky, no this is an attached garage.


#81256 - 07/31/02 01:08 AM Re: Main G.E.C used also as an E.G.C  
Steve T  Offline
Member
Joined: Feb 2001
Posts: 306
Oak Park, IL, USA
I don't believe anything in the NEC says this can't be done. Just have to make sure you are not setting up parallel neutral paths with incorrect bonding in the sub panel.


#81257 - 08/01/02 05:25 PM Re: Main G.E.C used also as an E.G.C  
resqcapt19  Offline
Member
Joined: Nov 2000
Posts: 2,148
IL
As long as the grounding electrode conductor is continuous and the grounded conductor is not bonded to the grounding conductor, I see no problem with the installation.
Don


Don(resqcapt19)


Member Spotlight
Niko
Niko
Campbell, CA
Posts: 356
Joined: August 2006
Show All Member Profiles 
Featured:

2017 NEC and Related
2017 NEC
Now Available!

Shout Box
Powered by UBB.threads™ PHP Forum Software 7.6.0
Page Time: 0.010s Queries: 14 (0.002s) Memory: 0.7654 MB (Peak: 0.9004 MB) Zlib enabled. Server Time: 2017-03-29 22:57:17 UTC