Hi THURSTON.

07-Jan-03 21:27:00, THURSTON ACKERMAN wrote to ROBERT SAYRE


 RS>RS>> Sorry I wasn't clear about this; but, I was
 TA> RS>RS>speaking of residences for the 240 VAC.

 RS>RS>> With 208 you're talking about 3 phase power
 TA> RS>RS>which I've only seen in commercial RS>RS>establishments.

 RS>JE>> 208 3 phase was not uncommon for residences with central AC in
 RS>JE>> Houston in the houses built in the 50s-early 70s.

 RS>> Thanks, Jay; another new fact to learn.

 TA> OK, my turn for pop quizzes. Do I remember correctly those 208volt
 TA> transformers were referred to as delta wound; while the 230volt
 TA> were Y wound ?

it seems to me that you could wind them either way.

wye (AKA star) gets you a lower voltage and a higher current (so fewer
turns are needed but thicker wire) it also gets you a neutral point.

 -=> Bye <=-

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