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Is a separate EGC required for PV rails connected with EMT?

TheDan

New Member
Joined
Oct 24, 2021
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25
Two string will be on separate roof planes but very close together so I am looking to connect, and bond, the racking with EMT.

I think that NEC allows this as the EMT acts as GC, except for rooftop AC systems but:

1. Are there any other exceptions as to where code requies a dedicated EGC inside the EMT?

AND

2. Would you run another EGC anyway for safety/redundancy?

It's only 10ft of conduit/wire so I will run the wire anyways but I am curious as to what code says.

Thank you!
 
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