ECN Electrical Forum - Discussion Forums for Electricians, Inspectors and Related Professionals
ECN Shout Chat
Shout Box
Recent Posts
Inspection camera help
by petey_c. 09/22/18 07:52 AM
Motion detectors and dimmers
by gfretwell. 09/20/18 04:02 PM
Extension cords
by annemarie1. 09/20/18 08:54 AM
220/230/240V 60Hz Systems
by gfretwell. 09/16/18 12:37 PM
Acronis Backup 2017
by gfretwell. 09/16/18 12:46 AM
New in the Gallery:
Plug terminals
Housebilding DIY wiring
Who's Online Now
0 registered members (), 21 guests, and 22 spiders.
Key: Admin, Global Mod, Mod
Previous Thread
Next Thread
Print Thread
Rate Thread
GEC sizing #98540
05/31/06 10:32 PM
05/31/06 10:32 PM
H
hedlok  Offline OP
Junior Member
Joined: Mar 2006
Posts: 8
pa.
200A service with 4/0 alum. cond. what size GEC is okay? i know that table 250.66 says #4 but im in an arguement with someone who says it's not required to be any larger than #6. also, there is no rebar ground and plastic water service. what do you say?

2017 / 2014 NEC & Related Books and Study Guides
Re: GEC sizing #98541
05/31/06 10:43 PM
05/31/06 10:43 PM
B
Bob  Offline
Member
Joined: Feb 2002
Posts: 182
Mobile, AL, USA
250.66(A) says #6.

Re: GEC sizing #98542
05/31/06 11:35 PM
05/31/06 11:35 PM
L
Larry Fine  Offline
Member
Joined: Feb 2005
Posts: 693
Richmond, VA
A driven ground never needs more than #6 cu. Any other electrode, #4 cu.


Larry Fine
Fine Electric Co.
fineelectricco.com

Featured:

2017 Master Electrician Exam Preparation Combos
2017 NEC Electrician
Exam Prep Combos:
Master / Journeyman

 

Member Spotlight
HCE727
HCE727
Delaware County, PA, USA
Posts: 186
Joined: November 2005
Show All Member Profiles 
Top Posters(30 Days)
Admin 13
Trumpy 11
Popular Topics(Views)
249,381 Are you busy
187,312 Re: Forum
176,656 Need opinion
Powered by UBB.threads™ PHP Forum Software 7.6.1
(Release build 20180101)
Page Time: 0.015s Queries: 14 (0.003s) Memory: 0.9504 MB (Peak: 1.0741 MB) Zlib enabled. Server Time: 2018-09-23 00:35:14 UTC