Earl,
What section of the NEC allows your method?
the more correct question would be "what section prohibits it?" the NEC is a permissive code.
I do not refuse NEC allowed methods, but I do not approve methods that I believe are inferior either.
That is what you should do, so how do you ignore 250.12?
250.12 Clean Surfaces
Nonconductive coatings (such as paint, lacquer, and enamel) on equipment to be grounded shall be removed from threads and other contact surfaces to ensure good electrical continuity or be connected by means of fittings designed so as to make such removal unnecessary.
Now, if the fitting is designed to penetrate the paint then the finish is compromised anyways isn't it, so what happens to 300.6 now?
You can not eliminate one requirement for another.
If the enclosure is soley protected by enamel, you would be with in your rights to have the installer paint over this area after the lug, bar, or what have you is installed.
90.4 obligates you to enforce all the code, it doesn't allow you to ignore sections of it or add to it.
Roger
[This message has been edited by Roger (edited 11-20-2005).]
