EGC

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FaradayFF

Senior Member
Location
California
Hey Guys,
Quick question :)
Is there a Code requirement to run EGC with supply conductors to a piece of equipment that is already bonded to station ground grid via grounding pigtail. The equipment in question would contain an integral panel board an devices which may need a ground point for reference. So even though the metal enclosure is bonded to the grid, the internal equipment may need a separate ground..
 
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texie

Senior Member
Location
Fort Collins, Colorado
Occupation
Electrician, Contractor, Inspector
Yes, EGC must run with the circuit conductors. See 300.3(B). If the EGC is not within the same raceway as the circuit conductors it raises the impedance during a ground fault.
 
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