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#165946 - 07/08/07 09:29 AM Transformer grounding
ayrton Offline

Registered: 12/21/01
Posts: 205
Loc: Pa
Where in the code (if at all) does it state you need to bond dry type transformer to building steel?

2014 / 2011 NEC & Related Books and Study Guides
#165951 - 07/08/07 10:38 AM Re: Transformer grounding [Re: ayrton]
Roger Offline

Registered: 05/18/02
Posts: 1779
Loc: N.C.
See 250.30(A)(7)


#166031 - 07/10/07 05:59 PM Re: Transformer grounding [Re: Roger]
ayrton Offline

Registered: 12/21/01
Posts: 205
Loc: Pa
I have a 02 NEC. There is no 250.30 (A)(7)

#166056 - 07/11/07 10:30 AM Re: Transformer grounding [Re: ayrton]
resqcapt19 Offline

Registered: 11/10/00
Posts: 2209
Loc: IL
It's 250.30(A)(4) in the 2002 code.


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