[AMRadio] 220 volt AC Power Question |
david knepper
collinsradio at adelphia.net
Tue Oct 31 06:38:01 EST 2006
Did anyone ever think of calling a local electrician!
Dave, W3ST
Publisher of the Collins Journal
Secretary to the Collins Radio Association
www.collinsra.com - the CRA Website
Now with PayPal
CRA Nets: 3.805 Mhz every Monday at 8 PM EDST
and 14.253 Mhz every Saturday at 12 Noon EDST
Collins Chatroom - Daily at 4 PM EDST on 7.203 Mhz
----- Original Message -----
From: "gkb" <gkbrown at gwi.net>
To: "Discussion of AM Radio in the Amateur Service"
<amradio at mailman.qth.net>
Sent: Tuesday, October 31, 2006 4:54 AM
Subject: Re: [AMRadio] 220 volt AC Power Question
> My clothes dryer has four prongs.
> Regards,
> Gary...WZ1M
> ----- Original Message -----
> From: "Darrell, WA5VGO" <hbrnut at earthlink.net>
> To: "Discussion of AM Radio in the Amateur Service"
> <amradio at mailman.qth.net>
> 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:AMRadio at mailman.qth.net
>>
>>
>>
>> ______________________________________________________________
>> 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:AMRadio at mailman.qth.net
>>
>>
>>
>> --
>> 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:AMRadio at mailman.qth.net
More information about the AMRadio
mailing list
This page last updated 19 Mar 2024.