I read in !emc-pstc that POWELL, DOUG <[email protected]> wrote (in <[email protected]>) about 'Fuse Ratings for thermal considerations' on Mon, 15 Dec 2003:
>Your second suggestion is what I've considered to be the case all along. >Occasionally, because of size or complexity, some of our products have >been evaluated "in-situ", as a part of the OEMs system. In these cases, >I've even had the local building inspector scrutinizing our products. >It's like the "song that never ends" when we try to tell the inspectors >and OEMs that the building or facility standards do not apply to the >internal workings of our products. > >I am to the point of wanting to just do what they say, for the sake of >keeping the peace. Only, if I do that, I now have this problem with >nuisance tripping in high ambient. It's an abuse that the IEEE (or other relevant body) should consider doing something about, I suggest. An explanatory document, written in easy words, with a big official logo on it, can be effective. Meanwhile, specify your rated current at 80% of the fuse rating you need to use. -- Regards, John Woodgate, OOO - Own Opinions Only. http://www.jmwa.demon.co.uk Interested in professional sound reinforcement and distribution? Then go to http://www.isce.org.uk PLEASE do NOT copy news posts to me by E-MAIL! 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
