I read in !emc-pstc that Doug McKean <[email protected]> wrote (in <[email protected]>) about 'chassis bonding - star washers enough?', on Fri, 22 Mar 2002:
>Thirdly, I've had some very serious discussions with >some NRTL test engineers regarding external toothed >star washers versus internal toothed start washers. >It was *require* at one time for me to use internal >toothed star washers to protect the integrity of the >cutting action of the teeth to chassis. It was *suggested* >at another time by another engineer to use external >toothed star washers so that the integrity of the teeth >could be easily inspected. Brilliant! Next: teeth both internal and external (I've seen some, but they are very rare). And after that, quick-release bolts, so that the washer can be easily taken off for microscopic inspection and metallurgical tests. -- 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.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] All emc-pstc postings are archived and searchable on the web at: http://ieeepstc.mindcruiser.com/ Click on "browse" and then "emc-pstc mailing list"
