This was an existing service panel installed when the home was built. 100amp .
Hey Tom if I`m reading it right on your post above You can add a sub panel in a crawl space? Not that I would, but didn`t think it would be allowed.Seems like the home owner would be really to have crwl under and shut down a breaker.And Tom thanks for always posting the code articals it has really helped me learn and do a better job