I read in !emc-pstc that xingwb <[email protected]> wrote (in <002001c40 [email protected]>) about 'IEC60065 :2001 SUBCLAUSE 15.2' on Mon, 8 Mar 2004: > I have a question of IEC60065:2001 Sub cluse 15.2 > > > > I read IEC60065:2001 Sub cluse > > "In supply apparatus of class I with non-hazardous output > voltage,output circuits shall not connected to the protective > conductor." > > I have some > > why output circuits mentioned can not be connected to PE? > It appears that no-one remembers, or can now determine, why, and this restriction may be removed in a future amendment.
This points up the reason why a *hazard-based* standard is being developed, preferably with a description of each hazard and the derivation of related requirements being published (in some way) for future reference. -- Regards, John Woodgate, OOO - Own Opinions Only. The good news is that nothing is compulsory. The bad news is that everything is prohibited. http://www.jmwa.demon.co.uk Also see http://www.isce.org.uk This message is from the IEEE EMC Society Product Safety Technical Committee emc-pstc discussion list. Visit our web site at: http://www.ieee-pses.org/ To cancel your subscription, send mail to: [email protected] with the single line: unsubscribe emc-pstc For help, send mail to the list administrators: Ron Pickard: [email protected] Dave Heald: [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
