Thanks Pete for details. I will cheek it out the local relevant body. Scott
On 9 Oct, 2014, at 1:42 am, Pete Perkins <[email protected]> wrote: > Scott, et al, > > Sorry for the use of an unfamiliar acronym. > > NC means 'National Committee'. Any country which is a member of the > ISO/IEC/CISPR will have National Committees who are shadow committees of the > International committees. These committees are responsible for providing > the Country's national, voting response to any issues that arise in the > development of the specific requirements contained in the applicable > standards for that product group & effects (mechanical safety etc = ISO, > electrical safety = IEC, EMC requirements = CISPR). > > The membership of National Commttees are determined by each country. > Generally the NC for any particular set of requirements will be a mixture > ofmanufacturers, trade groups, test labs, universities & government agencies > each of whom have an interest in ensuring that the requirements that end up > in the international standards are adequate but not burdensome. > > Participation in NCs may or may not be 'free', depending upon how > each country decides to fund the activity. In the US trade associations or > test houses commonly provide the leadership to organize activities for > particular industries. Industrialized countries have a well developed > approach to all of this. Developing countries have a growing interest and > increased participation in the activities. Underdeveloped countries may > have an interest and some national work or may still be trying to decide how > they will interface with all of this. > > How does all of this work in your country? Check it out. > > :>) br, Pete > > Peter E Perkins, PE > Principal Product Safety Engineer > PO Box 23427 > Tigard, ORe 97281-3427 > > 503/452-1201 fone/fax > [email protected] > > _ _ _ _ _ > > Hi Pete, > > Thanks for your reply. What is NC? Is it open to public? Where I can get > greater detail. > > Regards, > > Scott > > > On 8 Oct, 2014, at 12:30 am, Pete Perkins <[email protected]> wrote: > >> Scott & PSNetters, >> >> You seem to understand the role of CTL in implementing the product >> evaluation according to the requirements in the IEC standard. There >> has been some contention in the past where the CTL decisions were >> changing the requirements in some unintended way. CTL has made it >> pretty clear to their participants that any issues that go beyond >> direct implementation must go back to the IEC TC to get resolved. >> I can't speak of implementation issues in test houses as I'm not > part >> of that food chain. >> Manufacturers can follow the implementation issues by being part of >> their NC and, by their representatives, the IEC TC responsible for the >> standard that applies to their products. They can influence the >> implementation thru these committees - clarifying requirements or >> whatever else needs to be done to get the proper outcome of the >> evaluation. Working thru the NCs keeps it properly balanced between >> manufacturers and test houses. >> >> :>) br, Pete >> >> Peter E Perkins, PE >> Principal Product Safety Engineer >> PO Box 23427 >> Tigard, ORe 97281-3427 >> >> 503/452-1201 fone/fax >> [email protected] >> >> _ _ _ _ _ >> >> I find the CTL decision sheets are helpful to interpret the IEC standards. >> As a new user, I am not sure how it enforces the DSHs in testing >> laboratories. Does any expert here shed some light on it? What are >> the key differences in terms of enforcement between PDSH and DSH? As >> the notification of DSHs and PDSHs are sent to MB, NCB and CBTL every >> Friday, the core testing houses must be aware of these decisions and >> enforce accordingly. How can those decisions be delivered to the >> manufacturers for implementation? >> >> Regards, >> >> Scott >> > > - ---------------------------------------------------------------- This message is from the IEEE Product Safety Engineering Society emc-pstc discussion list. To post a message to the list, send your e-mail to <[email protected]> All emc-pstc postings are archived and searchable on the web at: http://www.ieee-pses.org/emc-pstc.html Attachments are not permitted but the IEEE PSES Online Communities site at http://product-compliance.oc.ieee.org/ can be used for graphics (in well-used formats), large files, etc. Website: http://www.ieee-pses.org/ Instructions: http://www.ieee-pses.org/list.html (including how to unsubscribe) 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]>
