Patrick86
Member
- Location
- North Canton, Ohio
The NEC Code is new ground for me. I?ve followed the example for the 45kVA transformer in the following link: http://www.mikeholt.com/mojonewsarchive/NEC-HTML/HTML/TransformerInstallation~20020516.htm.
I have a contractor that insists that my OCP and conductor sizes are too high because transformers are only good for 80%. I do not see any guidelines in NEC or on the internet for derating transformers. Any comments on this would be appreciated.
I have a contractor that insists that my OCP and conductor sizes are too high because transformers are only good for 80%. I do not see any guidelines in NEC or on the internet for derating transformers. Any comments on this would be appreciated.