Did anyone ever think of calling a local electrician!
Dave, W3ST
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----- Original Message -----
From: "gkb" <[EMAIL PROTECTED]>
To: "Discussion of AM Radio in the Amateur Service"
<[email protected]>
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" <[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
>--
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>
>
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