On Wed, Jan 19, 2005 at 12:53:11PM -0600, handsome greg wrote: > i think you have them backwards. > > all is explained here http://www.kpsec.freeuk.com/components/switch.htm
Thanks. It's clear now. I have added link to Ronja Vocabulary: http://ronja.twibright.com/vocabulary.php (look for the word "switch") Cl< > > > On Wed, 19 Jan 2005 16:42:09 -0200, Xtian Xultz <[EMAIL PROTECTED]> wrote: > > Em Qua 19 Jan 2005 16:31, Karel Kulhavy escreveu: > > > On Wed, Jan 19, 2005 at 10:22:44AM -0800, John Luciani wrote: > > > > SPST ..... Single Pole, Single Throw > > > > SPDT ..... Single Pole, Double Throw > > > > > > What does "pole" and "throw" mean? I know just what north and south pole > > > is. And also telephone pole. > > > > > > Cl< > > I dont know what a telephone pole is, but a double pole, here called H-H > > (dont > > know why) is when the key have a center pin, and two pins, the switch > > conduct > > from the center pin to one pin in one position, and from the center to the > > other pin in the other position. > > Throw mean how many contacts the switch makes simultaneously. I have here > > switches with 4 throws... > >
