I read in !emc-pstc that [email protected] wrote (in <E6F64B42266D6 [email protected]>) about 'X and Y caps' on Wed, 6 Aug 2003: >Here is a new question/comment that is sure to stir up some responses. >It seems that many use the term Y to refer to caps from line-to-line and >the term X to refer to caps from line-to-ground (or is it the other way >'round). While researching caps I found that X basically designates a >cap which is designed to never fail shorted. This would be the one to >use for line-to-ground applications. And that Y refers to a cap which >can fail shorted. This would be acceptable for line-to-line.
No, you've got them the wrong way round. X from line to neutral (or line) and Y from line to ground. It matters! -- 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] 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

