GEC size when using rods only

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Rick 0920

Senior Member
Location
Jacksonville, FL
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Electrical Instructor
If 2 ground rods are my only electrodes for a residential dwelling service, would I be required to use a GEC larger than #6 cu. regardless of the size of largest ungrounded service conductor?
 
No. It wouldn't matter if it is a residential service or a 5000A industrial service. Ground rods do not require a conductor larger than #6 copper.
 
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