In message <OF4FAC9D09.FCAC4D77-ON88257743.006070ED-88257743.0060E15B@US.Schneider-E lectric.com>, dated Tue, 15 Jun 2010, [email protected] writes:
> If it were common place that older electronic products became an RF >nuisance, surely there would be evidence by an abundance of complaints >to the authorities. In UK, that problem is 'solved' by making it difficult to complain and taking almost no action if a complainer persists (unless it's the government communications service that complains!). >Electrolytic capacitors and solder or mechanical connections do fail >over time, but I suggest when they do the device likely also fails to >function and is taken out of service. The product carries on working perfectly even if all its EMC filter capacitors are open circuit (or were never fitted, as has happened). This causes others' broadband services to be degraded. It's a real problem. > The apparent lack of legal control of EMC of products over their >service life may simply indicate that none was warranted. No, it indicates that the government chooses not to spend money on the problem. My TV reception is badly damaged by some local motor-driven appliance that is operated at random intervals from early morning to late at night. But the only way I can find it is to do some DF myself, because I am in a TV 'black spot' and 'must expect problems'. -- OOO - Own Opinions Only. Try www.jmwa.demon.co.uk and www.isce.org.uk John Woodgate, J M Woodgate and Associates, Rayleigh, Essex UK I should be disillusioned, but it's not worth the effort. - 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.ieeecommunities.org/emc-pstc Graphics (in well-used formats), large files, etc. can be posted to that URL. Website: http://www.ieee-pses.org/ 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]>
