In message <[email protected]>, dated Fri, 14 Sep 2007, Scott Xe <[email protected]> writes:
>I have learnt that a single pole power switch is not allowed to be >marked with | for On function and O for Off function and only double >pole switch can be used such symbol to distinguish the type of switch. >If a single pole power switch is used, what is appropriate marking for >it. Is there any standard to set this rule? There is no such restriction in IEC 60417, but there may be in some product safety standards. Which product safety standard applies to your product? -- OOO - Own Opinions Only. Try www.jmwa.demon.co.uk and www.isce.org.uk There are benefits from being irrational - just ask the square root of 2. John Woodgate, J M Woodgate and Associates, Rayleigh, Essex UK - 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/request/user-guide.html List rules: http://www.ieee-pses.org/listrules.html For help, send mail to the list administrators: Scott Douglas [email protected] Mike Cantwell [email protected] For policy questions, send mail to: Jim Bacher: [email protected] David Heald: [email protected] All emc-pstc postings are archived and searchable on the web at: http://www.ieeecommunities.org/emc-pstc ______________________________________________________________________ This email has been scanned by the MessageLabs Email Security System. For more information please visit http://www.messagelabs.com/email ______________________________________________________________________
