Re: three phase

"Charles S" <[EMAIL PROTECTED]> writes:
> The mains are usually 3 phase,

Could you be more specific here?  The mains in our town are all single
phase.  We don't see three phase until we get to the big distribution
towers.

> There are also two types of 3 phase, Delta and Wye.

These aren't types of phases.  These are types of loads you can use on
three phase power.