Yes they exist and at least some of them are available at Global Engineering Documents on the Internet. I did a document search on the word "JIC" at their website "global.ihs.com".
Can anyone think of a reference as to how low the earth resistance should be on a ground system. The NEC Code indirectly recomends 25 ohms with a provision for getting out of actually having to obtain that level. The Mil Spec 98 is a little more stringent. The Green and Emerald books both...
