230.95 vs 215.10

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augie47

augie47

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Confirming that I am correct in my interpretation. (480/277 system)
I have some 3000 amp gear with GF protection on my main switchboard. My downstream switchboards have 1200 amp breakers. The exception to 215.10 allows these downstream 1200 amp breakers to omit GF protection, correct ?
(coordination is not an issue)
 
iwire

iwire

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augie47 said:
Confirming that I am correct in my interpretation. (480/277 system)
I have some 3000 amp gear with GF protection on my main switchboard. My downstream switchboards have 1200 amp breakers. The exception to 215.10 allows these downstream 1200 amp breakers to omit GF protection, correct ?
(coordination is not an issue)
Click to expand...

That is my understanding of it.

One GFP at the supply is all that the NEC directly requires, as you point out in some cases designers use more for other reasons than a direct code requirement.
 
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