[Boatanchors] Basic electricity question

[WA5CAB at cs.com]

Bill,

You mean single phase versus three-phase.  Two-phase power (90 degree phase 
angle) is or was sometimes used in servo-motor circuits.  Standard US domestic 
and small business power circuits are single phase 120/240 volt circuits.  

In a message dated 1/13/2005 5:29:47 PM Central Standard Time, 
wlhoward at verizon.net writes: 
> BA's and 3-wire cords
> 
> For those of us who are not electricians, would somebody please explain
> two phase versus three phase current and also what is meant by neutral
> lead, and ground? If it were DC it would be positive + and negative -
> but with AC it alternates.
> 
> Simple explanations appreciated.
> 

Robert Downs - Houston
<http://www.wa5cab.com> (Web Store)
<wa5cab at cs.com> (Primary email)
<wa5cab at houston.rr.com> (Backup email)