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List:       opensuse
Subject:    Re: [opensuse] KTp alternative to Skype?
From:       Per Jessen <per () computer ! org>
Date:       2014-05-06 18:39:11
Message-ID: lkba8q$qnl$3 () saturn ! local ! net
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James Knott wrote:

> Per Jessen wrote:
>>> Actually, they can be used in North America too, as house wiring
>>> here
>>> > is 240/120, with 120V between one side and neutral and 240 between
>>> > the
>>> > 2 hot wires.  Major appliances, such as stoves run on 240V, but
>>> > it's also used in many outlets where heavy loads are expected.
>> Ah, okay, that's like our 3-phase with 380V between two phases.
>>
> 
> No. It's different.  240/120 wiring has opposite polarity on the 2 hot
> wires, so it's 240V between the 2 hot or 120 between either hot &
> neutral.  The 2 hot wires are 180 ° apart.  With 3 phase, the 3 hot
> leads are 120 °.  With 120V wiring, 3 phase is called 208V, as that
> what the hot to hot voltage is.

James, thanks for the explanation - I did mean to imply "like"
= "similar to" :-)



-- 
Per Jessen, Zürich (18.3 °C)
http://www.hostsuisse.com/ - virtual servers, made in Switzerland.

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