[Boatanchors] Running European 230 VAC on our AC

[Ken]

Thanks Robert, the only thing that runs 240 in my house is my water 
heater and a big Windows A/C unit.  They have no requirement for 120 volt.

Ken

On 10/19/2012 05:12 PM, WA5CAB at cs.com wrote:
> Ken,
>
> It depends upon whether the outlet you are talking about is 3-wire (240 V
> only) or 4-wire (120/240).  In most US jurisdictions, the service entrance
> panel is set up for 4-wire.  The buss for all of the white Neutral wires
> should not have the grounding screw installed.  But any 240 volt appliance that
> has no need for 120 volts for auxiliary equipment may be wired 3-wire, which
> is 120, 120 and Ground (no Neutral.  This typically includes most electric
> dryers and space heaters.  Electric ovens will usually be wired 4-wire as at
> a minimum the lamp inside will be 120 V.  In ours, the control panel and
> timer are also on 120 V.  I know that Ground and Neutral are commoned at the
> pole but you aren't supposed to (can't legally) draw power from the ground
> wire and shouldn't (can't legally) use the Neutral as a safety ground.
>
> Robert D.
>
> In a message dated 10/19/2012 16:15:12 PM Central Daylight Time,
> ken at wa0sbu.com writes:
>> None of my 240 is wired that way.  120 on Hot 1, 120 on Hot 2.  And a
>> ground.  240Volt has 2 Hot wires.
>> Hot wires can be Black-Red or Black-White
>> Neutral not required for 240V.
>>
>> On 10/19/2012 03:11 PM, rbethman wrote:
>>> The 240VAC by NEC, is 240 on one prong, Neutral on the other, and ground
>>> in the ground prong.
>>>
>>> The house can power it.  BUT - sounds like you need an electrician to
>>> run an outlet for you.
>>>
>>> Bob - N0DGN
>>>
>>> On 10/19/2012 3:59 PM, Keith Densmore wrote:
>>>> Greetings,
>>>> I am not much experienced in running 220 volt lines so this leads to a
>> question.
>>>> I have aquired a German teleprinter which needs 220-240 VAC at 40 to 70
>> Hz. 150 Watts.
>>>> The German plug is 3 prongs 230-- neutral --- ground.
>>>> As I understand it,  the 240 over here is 120-neutral-120 ground.
>>>> Can I use the house current to power this machine or should I use a 120
>> volt stepped up to 230 through a transformer? The cycles are not a
>> problems, the German unit will work on 60 HZ.
>>>> Thanks,
>>>>     better to ask than blow up something, hi.
>>>>
>>>> 73,
>>>> Keith
> Robert&  Susan Downs - Houston
> wa5cab dot com (Web Store)
> MVPA 9480
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