Turns out the whole shelter's bus was wired backwards when we got it. Red is negative and black is positive. Not sure what the ground is relative to, not sure it really matters at this point but I'll check that out when I go out there later myself.
-- Christopher Tyler MTCRE/MTCNA/MTCTCE/MTCWE Total Highspeed Internet Services 417.851.1107 ext 9002 ----- Original Message ----- From: "Robert" <i...@avantwireless.com> To: af@af.afmug.com Sent: Monday, April 8, 2019 2:25:45 PM Subject: Re: [AFMUG] DC/DC converter question What Polarity do they apply to pipelines to get iron to stick to them instead of eroding away? On 4/8/19 12:08 PM, Steve Jones wrote: > I still have a hard time grasping the -/+ thing, im half moron and 50 > percent idiot though. But am I correct that -v keeps devices from > corroding as much? > > On Mon, Apr 8, 2019 at 1:53 PM Bill Prince <part15...@gmail.com > <mailto:part15...@gmail.com>> wrote: > > +1. > > Just had a discussion with someone talking 12V power in RVs, and he > insisted that red was negative and black was "hot". I walked away from > the discussion before we resorted to fisticuffs. > > > bp > <part15sbs{at}gmail{dot}com> > > On 4/8/2019 10:35 AM, ch...@wbmfg.com <mailto:ch...@wbmfg.com> wrote: > > Never trust colors. > > > > -----Original Message----- From: Christopher Tyler > > Sent: Monday, April 8, 2019 11:23 AM > > To: AnimalFarm Microwave Users Group > > Subject: Re: [AFMUG] DC/DC converter question > > > > That was what I thought, thank you all for confirming. > > However, with it connected red+/black-, when our tech flipped the > > breaker it blew out the DC/DC converter. In fantastic order, I > was told. > > So I'm going to have them put a voltmeter to the wires and see > what we > > are getting from the power supply, maybe the output wiring is wrong. > > > > -- > AF mailing list > AF@af.afmug.com <mailto:AF@af.afmug.com> > http://af.afmug.com/mailman/listinfo/af_af.afmug.com > > -- AF mailing list AF@af.afmug.com http://af.afmug.com/mailman/listinfo/af_af.afmug.com -- AF mailing list AF@af.afmug.com http://af.afmug.com/mailman/listinfo/af_af.afmug.com
