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#89326 - 09/09/04 10:32 PM GEC  
mustangelectric  Offline
Member
Joined: Feb 2004
Posts: 494
Bentonville, AR
Hi,
Is there ever a time where a MAIN PANELBOARD for a Sinfgle Fam Dwelling would NOT have a #4 bare ground for cold water ground? copper piping.

here in Arkansas the GEC goes from the Ground rod to the METER BASE. In Kentucky it is from the Panelboard to the Ground Rod. If there is a copper water line, you need a COLD WATER BOND..usually a #6 for 100A and #4 for 200A this ALWAYS goes to the MAIN PANELBOARD..

i saw a house today that only had a gec from the main disc at the meter..no other ground in the panel..

this looked wrong to me..

the feed was a 4 conductor SER type cable..

thanks for any replies..

mustang


Electricity has no respect for ignorance!

2017 / 2014 NEC & Related Books and Study Guides

#89327 - 09/09/04 10:51 PM Re: GEC  
Dave55  Offline
Member
Joined: May 2004
Posts: 697
Crystal Lake, Illinois, USA
Allways check with the AHJ.

Dave


#89328 - 09/09/04 11:15 PM Re: GEC  
Ryan_J  Offline
Moderator
Joined: Aug 2003
Posts: 1,374
West Jordan, Utah, USA
GEC's are required to go from the electrode to the service equipment. If the disco at the meter is the service equipment, and it sounds like it is, this is code compliant.


Ryan Jackson,
Salt Lake City

#89329 - 09/10/04 12:21 AM Re: GEC  
gfretwell  Offline


Member
Joined: Jul 2004
Posts: 9,069
Estero,Fl,usa
It can be anywhere from the load end of the drop to the disconnect enclosure.

250.24 Grounding Service-Supplied Alternating-Current Systems.
(A)(1) General. The connection shall be made at any accessible point from the load end of the service drop or service lateral to and including the terminal or bus to which the grounded service conductor is connected at the service disconnecting means.


Greg Fretwell

#89330 - 09/10/04 11:34 PM Re: GEC  
harold endean  Offline
Member
Joined: Feb 2002
Posts: 2,233
Boonton, NJ
What if all of the water piping in the house is PLASTIC? What do you ground to?



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