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| Subject - max cu gec size to driven rod | |
| johnj |
trying to find a answer in syracuse NY what is the largest size copper conductor needed for driven ground
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| lctrc789 | The largest size copper conductor for a ground rod never has to be larger than # 6 wire. Article 250-50 (a)2. |
| johnj | quote:That's what I thought thanks 2002 nec 250.66(a) |
| Energreen | The utility company may have a different requirement from the NEC. I don't know their reasons, but RG&E requires a #4 ground electrode conductor. |
| Alfred | It's the same here in Tennessee. Thanks ALFRED JOHNSON 
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| lucky1122 | NEC requires nothing larger than #6 awg cu but remember how you layout the connection may change that . For instance lets say you daisy chain the connections from one electrode to the other well then the largest size would be called for depending on what the electrode is > |