Hello all,

Thanks for the information. My old copy of IEC 60417 is headed to the
recycling bin. It's time to get a subscription to the ISO 7000 / IEC 60417
database.

Best regards,
Ron Wellman


From: [email protected]
[mailto:[email protected]]On Behalf Of Carpentier
Kristiaan
Sent: Thursday, October 14, 2004 6:49 AM
To: Doug Beckwith; Mark Schmidt; [email protected]; EMC-PSTC List
Subject: RE: dc polarity symbol


Hi all,

To avoid outdates copies, you can have on-line access to the IEC60417
database.
Kris


From: [email protected]
[mailto:[email protected]]On Behalf Of Doug Beckwith
Sent: donderdag 14 oktober 2004 15:20
To: Mark Schmidt; [email protected]; EMC-PSTC List
Subject: RE: dc polarity symbol


Apologies to all, my copy of 60417 is also outdated.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
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> This message is from the IEEE Product Safety Engineering
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