Just to throw another fly into the ointment, most if not all mounting methods for EGC terminal bars use a set of self-tapping screws that tap into pre-punched holes in the panelboard cabinet back. So are some here saying that this technically isn't NEC compliant?
The difference between self-drilling, self-tapping, and plain ol' sheet metal screws seem pretty clear, in both definition and the graphics above. There are numerous places where the Code seems to expect us to use logical reasoning beyond the written portion of the Code
Dallas
[This message has been edited by Dallas (edited 12-23-2001).]
