At what point does the UFER ground end? Once it emerges from the footer does it become a grounding conductor and require a non reversible connection in order to be connected to a grounding electrode conductor or is it still considered the electrode at emergence and connection to it can be made by a bug? Thanks
ufer ground
- Thread starter patc
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ryan_618
Senior Member
- Location
- Salt Lake City, Utah
Re: ufer ground
It is always an electrode, in my opinion. Only a splice of the GEC requires an irreversable connection, not a termination.
It is always an electrode, in my opinion. Only a splice of the GEC requires an irreversable connection, not a termination.
hurk27
Senior Member
- Location
- Portage, Indiana NEC: 2008
Re: ufer ground
I hope your not talking about a split bolt connector that would normaly be used to connect two wires? Because even though this connection is a termination, it still requires that the connection be made by a connector intended for such use and condition in which it is used in. I.E. such as an acorn clamp.
Re: ufer ground
Wayne, I am refering to the connection made to a 20 ft.piece of #4 cu. in the footer and then emmerging from the footer(still continuous). Once it leaves the concrete is it still cosidered an electrode. The local AHJ is requesting that a non reversible connection be made at this point.
Wayne, I am refering to the connection made to a 20 ft.piece of #4 cu. in the footer and then emmerging from the footer(still continuous). Once it leaves the concrete is it still cosidered an electrode. The local AHJ is requesting that a non reversible connection be made at this point.
websparky
Senior Member
- Location
- Cleveland, Ohio
Re: ufer ground
Hi Pat,
Two distinct subjects.
Hi Pat,
Two distinct subjects.
Re: ufer ground
Websparky thanks for the great graphic! What I am asking is if that #4 is lets say 25 ft long, with 20 ft of it in concrete, does the last 5 ft sticking out(and still part of the same wire) of the concrete become a GEC or does it still remain the electrode and therefore can be splitbolt connected to a GEC. The AHJ says that when it leaves the concrete(even thogh it is still the same #4 in the footer) it is now a GEC. It looks as though your graphic supports his point of view.
[ September 02, 2004, 09:17 PM: Message edited by: patc ]
Websparky thanks for the great graphic! What I am asking is if that #4 is lets say 25 ft long, with 20 ft of it in concrete, does the last 5 ft sticking out(and still part of the same wire) of the concrete become a GEC or does it still remain the electrode and therefore can be splitbolt connected to a GEC. The AHJ says that when it leaves the concrete(even thogh it is still the same #4 in the footer) it is now a GEC. It looks as though your graphic supports his point of view.
[ September 02, 2004, 09:17 PM: Message edited by: patc ]
websparky
Senior Member
- Location
- Cleveland, Ohio
Re: ufer ground
Hi Pat,
You are welcome.
The code states the rebar OR copper conductor 20' long is the Ufer. No matter which it is, we need to connect or extend it to the service equipement.
If this was a rebar type, there would be no confusion. The same should be said for the copper conductor type. After all, the electrode is the part located within and near the bottom of the footer.
Hi Pat,
You are welcome.
Well, sort of.........
The code states the rebar OR copper conductor 20' long is the Ufer. No matter which it is, we need to connect or extend it to the service equipement.
If this was a rebar type, there would be no confusion. The same should be said for the copper conductor type. After all, the electrode is the part located within and near the bottom of the footer.
pierre
Senior Member
- Location
- Westchester County, New York
Re: ufer ground
Patc
I think this is a very good question. It is always a help to come to these threads and see what everyone else is thinking/seeing in the field.
IMHO: I believe that the connection point along that conductor (extending the length to reach the first point of disconnect) as it is leaving the footing, should be spliced using an irreversible method.
Pierre
Patc
I think this is a very good question. It is always a help to come to these threads and see what everyone else is thinking/seeing in the field.
IMHO: I believe that the connection point along that conductor (extending the length to reach the first point of disconnect) as it is leaving the footing, should be spliced using an irreversible method.
Pierre
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