Marshall and Ken,
Thanks! I'm getting quite an education here!
paula
  ----- Original Message ----- 
  From: Ode Coyote 

  You've discovered that in the land of electricity and CS making..If you want 
a set value that doesn't change all over the place, YOU have to set it. :-)
  Voltage regulators.
  "Some" wall warts have them inside.
  Some have thermal overload protection.
  ...and some will blow out at the drop of a hat.