What size EGC conductor does raceway translate to?

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cppoly

Senior Member
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New York
Conduit can be used as an equipment ground conductor but what size does this translate to? For instance is 2" emt equivalent to 1/0 awg?
 
The NEC does not make any such distinction.
I guess the assumption is that if the raceway is large enough to hold the ungrounded conductors conductors it is large enough to serve as the EGC.
:)
One interesting consequence is that if you have a perfectly compliant raceway EGC but decide to pull a wire EGC anyway, that wire EGC must still satisfy the minimum size requirements.

Tapatalk!
 
Thanks for the PDF for grounding of steel raceways.


I particularly like:

The GEMI research project and resulting
software analysis program proved that listed
steel conduit and EMT clearly exceed the
minimum equipment grounding
requirements of the NEC.
 
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