2017 NEC, Article 312

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I.T

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Seattle
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Electrician
Hi everyone ,I have a question if someone would explain me , so I'm trying to understand the last part of Exception No 1 of 312.6(B) which says:
... provided the conductor enters or leaves the enclosure where the gutter joins an adjacent gutter that has a width that conform 312.6(b) for the conductors. From what i understand is that : the gutter from where the cables entry or leaves is adjacent with the gutter which should have a width conforms Table 312.6(B) for the conductors ...so that said is contrary to first part of this Exception No 1 of 312.6(B) which says to use Table 312.6(A) if the distance is in accordance with this table.

Thanks.
 
So your asking about a 'opposite wall' terminal to K/O entry distance that meets Table 312.6(A) but the K/O is into a gutter that conforms to Table 312.6(B) for the conductor?

Perhaps attach a sketch.
 
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