On 3/16/24 16:12, Chris Albertson wrote:
Silicon carbide is classified as a “semi-conductor”.    It is used to make some 
heavy duty rectifier diodes and maybe other stuff

Oxide-coated tools likely would conduct because the oxide wears off really fast,

OK, I just tried a black oxide tool and I see ZERO conductivity.  But then I 
test the cutting sharp edge and it conducts where the black stuff has been worn 
off.

I've not noted that, but haven't looked either, these are tian something coated, gold colored and instantly conductive anyplace touched. So I'll take the chance later tomorrow as I have a new, hopefully brighter and slightly bigger monitor I can see a little better according to amazon by then.

Take care etc, Chris

Cheers, Gene Heskett, CET.
--
"There are four boxes to be used in defense of liberty:
 soap, ballot, jury, and ammo. Please use in that order."
-Ed Howdershelt (Author, 1940)
If we desire respect for the law, we must first make the law respectable.
 - Louis D. Brandeis



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