We are building a project and the engineer has over sized the grounding electrode to the cold water to a 400 KCMIL. We have search high and low for a manufacturers that makes a pipe clamp that will accept a 400 KCMIL and no one makes one that we can located. Does anyone have any recommendation on terminating this?
Cold Water Ground
- Thread starter shaw0486
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LarryFine
Master Electrician Electric Contractor Richmond VA
- Location
- Henrico County, VA
- Occupation
- Electrical Contractor
How about using a lug that will fit the wire, attached to a ground clamp with the 1/4-20 terminal screw.
The largest I could find was 250MCM.
Is this something where you could use a grounding mold? Page 66 Run 250MCM or 500MCM, tap #2 - 500MCM.
You could then use both ends of the tap to ground to the water?
http://www.lwfrench.com/wp-content/uploads/2011/03/Burndy-Grounding-catalog.pdf
Is this something where you could use a grounding mold? Page 66 Run 250MCM or 500MCM, tap #2 - 500MCM.
You could then use both ends of the tap to ground to the water?
http://www.lwfrench.com/wp-content/uploads/2011/03/Burndy-Grounding-catalog.pdf
LarryFine
Master Electrician Electric Contractor Richmond VA
- Location
- Henrico County, VA
- Occupation
- Electrical Contractor
Look on pages 34 - 36.
curt swartz
Electrical Contractor - San Jose, CA
- Location
- San Jose, CA
- Occupation
- Electrical Contractor
Ilsco GPL ground clamps are available to fit wire sizes up to 500. I'm sure other manufactures have similar.
I would have told the engineer to adjust his/her plans to the correct wire size.
I would have told the engineer to adjust his/her plans to the correct wire size.
- Location
- New Jersey
- Occupation
- Journeyman Electrician
I've always wondered why engineers want larger than the required #3/0 GEC's. :?
We frequently see spec's that call for 500 kcmil copper, that usually gets value engineered down to a #3/0. :thumbsup:
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