[Boatanchors] Running European 230 VAC on our AC

[Ken]

Thanks Glen;
       All my 240 at work and at home has 2 hots and a bare copper 
equipment ground run back to the panel.  No neutral is run to the 
equipment.

Ken


On 10/19/2012 06:18 PM, Glen Zook wrote:
> Actually, the center is neutral which is connected at the power 
> entrance to ground.
>
> Where 3-wire 240 VAC wiring is in place, there is 120 VAC on either 
> side of neutral, which is "almost" at ground potential since the 
> neutral is bonded to the service ground rod at the breaker box.
>
> "Modern" requirements are for a 4-wire service in which a separate 
> ground wire is run.  This is the same ground as with 3-wire 120 VAC 
> service.
>
> The neutral can NEVER be considered to be "ground" even though the 
> neutral is required to be connected at "ground" at the entrance point. 
>  Due to IR drop, which, of course, depends on the current being drawn 
> through the neutral wire, there will be a voltage above actual ground 
> in the neutral.  At low current, not much.  But, as the current 
> increases so does this voltage difference between the neutral and the 
> actual ground.
> Glen, K9STH
>
> Website: http://k9sth.com
> ------------------------------------------------------------------------
> *From:* Ken <ken at wa0sbu.com>
> *To:* boatanchors at mailman.qth.net
> *Sent:* Friday, October 19, 2012 4:15 PM
> *Subject:* Re: [Boatanchors] Running European 230 VAC on our AC
>
> 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.
>