I looked for this once before and I don't recall finding a reference to this as a standard symbol anywhere. It is definitely not in 60417.
Regards Doug --- "Ronald R. Wellman" <[email protected]> wrote: > Hello all, > > I was wondering if anyone could direct me to a reference or > standard that > specifies the dc polarity symbol that you find on ac to dc > power adaptors > used for laptop computers. This is the symbol that has a > positive symbol on > one side and a negative symbol on the other, both in circles, > with a circle > inside a C between the two polarity circles. The C is > connected to one of > the polarity circles and the circle inside the C is connected > to other > polarity circle. I can't find a reference to this symbol in > IEC 60417, > unless my copy is too old to have it. > > Any help is appreciated. > > Best regards, > Ron Wellman > > > This message is from the IEEE Product Safety Engineering > Society > emc-pstc discussion list. Website: > http://www.ieee-pses.org/ > > To post a message to the list, send your e-mail to > [email protected] > > Instructions: > http://listserv.ieee.org/listserv/request/user-guide.html > > List rules: http://www.ieee-pses.org/listrules.html > > For help, send mail to the list administrators: > > Ron Pickard: [email protected] > Scott Douglas [email protected] > > For policy questions, send mail to: > > Richard Nute: [email protected] > Jim Bacher: [email protected] > > All emc-pstc postings are archived and searchable on the web > at: > > http://www.ieeecommunities.org/emc-pstc > ______________________________________________________________________ Post your free ad now! http://personals.yahoo.ca This message is from the IEEE Product Safety Engineering Society emc-pstc discussion list. Website: http://www.ieee-pses.org/ To post a message to the list, send your e-mail to [email protected] Instructions: http://listserv.ieee.org/listserv/request/user-guide.html List rules: http://www.ieee-pses.org/listrules.html For help, send mail to the list administrators: Ron Pickard: [email protected] Scott Douglas [email protected] For policy questions, send mail to: Richard Nute: [email protected] Jim Bacher: [email protected] All emc-pstc postings are archived and searchable on the web at: http://www.ieeecommunities.org/emc-pstc
