That's never safe. The safe thing to do is to use HV connectors that cannot physically plug into the LV socket.
My 24V connectors from power sources are all physically larger than my 13.8 v connectors. 73 Tom ----- Original Message ----- From: "Eugene Balinski" <[email protected]> To: "Grant Youngman" <[email protected]>; "Elecraft Email" <[email protected]> Sent: Monday, June 28, 2010 12:25 PM Subject: Re: [Elecraft] Power Poles... > One method to avoid confusion is to use different color > power poles for different supply voltages red-black for > 13.5V, green-black for 24V, White-black for 5V, etc > > Many sites sell the various color options. > > 73 > K1NR > > K2 SN 6k... > > > On Mon, 28 Jun 2010 10:48:20 -0500 > Grant Youngman <[email protected]> wrote: >> That was the point. >> >> The other point was -- How hard is it to build a power >> pole connector, put it together properly, and LABEL the >> darn thing to avoid disasters like plugging a 24v supply >> into a 12v radio? :-) >> >> Grant/NQ5T >> >> >> On Jun 28, 2010, at 10:38 AM, Tom W8JI wrote: >> >> > >> > ----- Original Message ----- From: "Grant Youngman" >> <[email protected]> >> > To: "Elecraft Email" <[email protected]> >> > Sent: Monday, June 28, 2010 10:29 AM >> > Subject: Re: [Elecraft] Power Poles... >> >> It would also be simple enough for the manufacturers >> to solve the polarity problem by using a bridge rectifier >> at the power input, although that has a definite downside >> as well. >> >> >> > >> > It sure does have a downside. The 1.4 volts drop would >> seriously hurt the maximum low-distortion power output. >> 13.8 volts is bad enough for clean SSB at the 100 watt >> level. >> >> > ______________________________________________________________ >> Elecraft mailing list >> Home: http://mailman.qth.net/mailman/listinfo/elecraft >> Help: http://mailman.qth.net/mmfaq.htm >> Post: mailto:[email protected] >> >> This list hosted by: http://www.qsl.net >> Please help support this email list: >> http://www.qsl.net/donate.html > > --------------------------------------------------------------------- > Web mail provided by NuNet, Inc. The Premier National provider. > http://www.nni.com/ > ______________________________________________________________ > Elecraft mailing list > Home: http://mailman.qth.net/mailman/listinfo/elecraft > Help: http://mailman.qth.net/mmfaq.htm > Post: mailto:[email protected] > > This list hosted by: http://www.qsl.net > Please help support this email list: http://www.qsl.net/donate.html ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:[email protected] This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html
