> Now where do I find a 3-phase 400 or 480 VAC power outlet... is that the 
> same as used for electric ovens? ;-)

In the UK at least normal domestic ovens use the standard single phase power 
supply, they just usually have a dedicated cable and breaker at 40A or 
whatever.  Ditto with electric showers.  On commercial sites it's quite 
common as a lot of even small industrial equipment is designed for 3 phase. 
At work we have a 1m^3 enviromental chamber that runs off a 3 phase 20A 
supply, has one of those big chunky round plugs that makes you feel like it 
actually does something :-)

However I heard in Germany that it's quite common to have 3-phase delivered 
to your house, so maybe some more powerful devices make use of this? I don't 
know, will need to investigate at home :-)

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