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On Thu, 2006-08-03 at 20:10 -0500, Dale wrote: |
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> Richard Fish wrote: |
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> > On 8/3/06, Dale <teendale@×××××××××××××.com> wrote: |
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> >> Well, the USA has the same coming in too. We have 220v to 240v coming |
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> >> in but that is split into different legs for the 110v to 120v stuff. |
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> > |
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> > No, we don't. We have ~120V between a 'hot' wire and neutral, and |
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> > 240V appliances work by using the two hot wires that are 180 degrees |
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> > out of phase with each other. |
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> > |
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> > Other countries actually have 240V between the hot and neutral wires, |
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> > regardless of how many hot wires actually come in. |
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> But I can plug their 220v stuff in here too. I have seen the plugs |
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> here, Lowes I think. They are funny looking though. |
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That's mainly because thoe 'stuffs' has built in inverters/step up/down |
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etc. |
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> |
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> That said, having it 220 or 240v is more efficient. That is why they |
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> distribute power at higher voltages, sometimes as high as 500Kv. |
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That is actually just so that it won't lose as much when it gets to it's |
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destination. That's "distribution" voltage to the substations which then |
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downsteps it to then be distributed to households etc. |
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-- |
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Ow Mun Heng <Ow.Mun.Heng@×××.com> |
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-- |
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