Quote Originally Posted by de2 View Post
This is also true. I agree.

NEC also say code book is just to basis design,minimun requirements, you can alway go further than what is the NEC mininum requirements are.

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Of course, no one said you have to use the calculated load. That is just a minimum. I believe many of us on this forum tend to overdo our installations but we discuss what is code. As years go by it will usually reveal what doesn't work out hence the rewording of the NEC every 3 years. Calculations, however, have been pretty stable for some time.