250.30(A)(1) and 250.30(A)(2)

[nhee2]

I am hoping someone can confirm my understanding is correct (2014 code).

If I have a SDS established at an outdoor, customer owned transformer, with first disconnect at an adjacent building - 250.30(A)(1) exception 2 allows me to bond at the xfmr and at the disconnect, provided no parallel paths are established.

250.30(A)(2) exception says that in this installation, no SSBJ is required. So from the xfmr to the disconnect I could run 3 phase conductors, a grounded conductor in PVC conduit, and bond at each end per 250.102C. Is this correct? It seems as though I should have an EGC as well.

Now - if I am installing per 2011 - the exception to 250.32(A)(2) doesn't exist - so I am required to run a SSBJ sized per 250.102C with the phase and grounded conductors. Is this correct?

Appreciate any input.

 

[augie47]

I noticed that in the 2011 shortly after it was published and others here agreed on the discrepancy. I have read the ROPs (a quick read only) for adding the exception in the 2014 and didn't note where anyone said "OPPS" but only substantiating the allowance.
Locally the inspectors have allowed you to use the '14 exception even under the '11 Code.

 

[nhee2]

Thank you - I will verify with AHJ.

Am I correct that no EGC required in this case? 3 phase conductors, a grounded conductor and bonding at each end would be what is required? I am now seeing that 2014 added 250.32(B)(1) Exception 2, which is also not in 2011....but it looks like 250.32(B)(2)(b) gets me back to 250.30(A).