My clothes dryer has four prongs. Regards, Gary...WZ1M ----- Original Message ----- From: "Darrell, WA5VGO" <[EMAIL PROTECTED]> To: "Discussion of AM Radio in the Amateur Service" <[email protected]> Sent: Monday, October 30, 2006 8:40 PM Subject: Re: [AMRadio] 220 volt AC Power Question
> This does not meet the code. A ground wire can never be used to carry load. > Also, your ground wire is probably bare. A neutral conductor must be insulated. > > Darrell, WA5VGO > > > > > At 07:09 PM 10/30/2006 -0600, you wrote: > > > >Hi all, > > > > I am building an amplifier that has a combination of 220 volt and 120 > >volt transformers. The HV plate supply is 220V, and the rest is 120V. I will > >be keying the plate supply. My 220V outlet has phase, phase, and ground. > >There is NO neutral. The outlet is not a GFCI outlet so ground current will > >work, BUT. > > > > The BUT here is whether this is legal with the National Electric Code? > >Before you say NO, consider the electric clothes dryer. These all run off > >220V, and have 3 prong power cords. I have heard that in some dryers there > >are 120 volt loads (lights, and timer) as well as 220V (heater and motor). > >If this is true, then my approach must be OK so long as my power switch uses > >a DPST switch and (double fuses)to insure everything is off when it is in > >the OFF position. > > > >Comments please... > > > >BTW, I do have a 240/120 autotransformer of suitable size (VA rating), but > >space does not permit it's use. > > > >Jim > >JKO > >-- > >No virus found in this outgoing message. > >Checked by AVG Free Edition. > > > > > >______________________________________________________________ > >AMRadio mailing list > >List Home: http://mailman.qth.net/mailman/listinfo/amradio > >Partner Website: http://www.amfone.net > >Help: http://mailman.qth.net/mmfaq.html > >Post: mailto:[email protected] > > > > ______________________________________________________________ > AMRadio mailing list > List Home: http://mailman.qth.net/mailman/listinfo/amradio > Partner Website: http://www.amfone.net > Help: http://mailman.qth.net/mmfaq.html > Post: mailto:[email protected] > > > > -- > No virus found in this incoming message. > Checked by AVG Free Edition. > Version: 7.1.409 / Virus Database: 268.13.18/506 - Release Date: 10/30/2006 > > ______________________________________________________________ AMRadio mailing list List Home: http://mailman.qth.net/mailman/listinfo/amradio Partner Website: http://www.amfone.net Help: http://mailman.qth.net/mmfaq.html Post: mailto:[email protected]
