Ralph et al A lawyer could have a field day with this sort of thing (at considerable expense!). The standards we all use from day to day are merely methods of demonstrating compliance with the law of the land i.e. (in Britain) the statutory instruments, passed by Parliament, which implement the EMC, machinery or low voltage directives issued by Brussels. In themselves the standards have no basis within law whereas the statutory instruments do. Thus in Britain statutory instrument 1992 No. 2372 (which implements the EMC directive) refers to "protective requirements" i.e. that "your equipment shall not interfere with nor be affected by somebody else's equipment, providing it is reasonable to use them in the same environment" (I paraphrase the wording). The equipment shall be "fit for purpose" and only you the manufacturer together with your customer know what is "fit for purpose" i.e. what deviations in performance are acceptable, other than destruction of the product. Hence you decide if the equipment is Class A, B or C with respect to immunity and whether or not this is acceptable.
Ian Gordon _____________________________________________________________________ This e-mail has been scanned for viruses by the WorldCom Internet Managed Scanning Service - powered by MessageLabs. For further information visit http://www.worldcom.com This message is from the IEEE EMC Society Product Safety Technical Committee emc-pstc discussion list. Visit our web site at: http://www.ewh.ieee.org/soc/emcs/pstc/ 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] Archive is being moved, we will announce when it is back on-line. All emc-pstc postings are archived and searchable on the web at: http://www.ieeecommunities.org/emc-pstc

