I'll draw up something simple and post them in the Technical Reference area.
If time permits, I'll add links to this thread.
I still use the isolated ground drawings you made and posted several years ago.
That's great to hear!!! Happy these items are of use to the Members of this Forum!!!
Feel free to use anything else posted here by me also.
(If you use AutoCAD, I can send them to you in .DWG format - mail me for more details).