On 12/29/2016 11:19 AM, Gene Heskett wrote: > > And there went the reversed hookup protection. :) > No, the diodes are in the power SUPPLY, so the modular supply is running near the designed voltage, but the load gets a lower voltage. >> Jon > How did you get that mod past the nuclear regulators? I'd had a couple > mods that genuinely improved the pix coming out of a tv camera, rejected > by lesser air force *crats who wouldn't know a 1n34 diode from a 4 ton > transformer. Pain in the a$$ they are. They do not understand the > technology at all, and do their damnest to freeze the technology at the > point the maker boxed it for shipping. > The national labs do have "electrical safety inspectors" who check everything that has a power cord. Since this unit plugs into a power and cooling frame, they generally don't even look at it. Mostly they ohm out the safety ground to frame resistance and make sure hot and neutral are isolated, and then they are happy and put an approved sticker on it.
Jon ------------------------------------------------------------------------------ Check out the vibrant tech community on one of the world's most engaging tech sites, SlashDot.org! http://sdm.link/slashdot _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users