Apologies to all, my copy of 60417 is also outdated. Regards
Doug --- Mark Schmidt <[email protected]> wrote: > Hi Ron, > > > > You must have an old copy of IEC60417 in the latest version > and some > previous versions symbol No. 5926 is labeled "Polarity of D.C. > power > connector" instead of the + and - in circles, it is in a > square rotated > 45 degrees or tipped up on its corner, the rest is as you > described it. > Description of the symbol is as follows "To identify the > positive and > negative connections (the polarity) of a d.c. power supply, or > the > positive and negative connections on a piece of equipment to > which a > d.c. power supply may be connected". > > > > Regards, > > > > Mark Schmidt > > > > ________________________________ > > From: [email protected] > [mailto:[email protected]] On Behalf Of Ronald > R. Wellman > Sent: Wednesday, October 13, 2004 10:24 PM > To: EMC-PSTC List > Subject: dc polarity symbol > > > > 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 > > > 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
