517-2 def. of a health care facilities.it includes a clinic. 517-13(a) lists MC as an acceptable wiring method, as long as it's outer metal sheath is identified as a grounding path. the MC cable has to have an insulated ground in it. It is usually called Hospital grade, and has a green paint on it.
[This message has been edited by trekkie76 (edited 08-26-2004).]