I have never seen a really definitive statement about arcs and sparks however I tend to think of sparks as transient ( as in spark plugs) and arcs as sustained (as in arc lamps). Does that make sense?
Fred Townsend "Speakman, Jim" wrote: > Fellow Listers > > At a recent equipment design review, a discussion on arcing and sparking > indicated a lack of definitive knowledge of the difference between an 'arc' > and a 'spark'. > > Is an 'arc', basically just a long 'spark'. If so, at what point > (precisely) does a 'spark' become an 'arc'? > > Have I got it all wrong? Are they 'something else'. > > Can anyone enlighten my darkness? > > __________________________ > Jim Speakman > (Design Safety Representative (Southern Sites) > > Thales Defence Ltd > Thales Sensors > Manor Royal > Crawley > West Sussex > RH10 9PZ > > > * Tel: +44(0)1293 644911 > > * Mob: +44(0)7968 529439 > > * Fax : +44(0)1293 644194 > > * e-mail jim.speak...@uk.thalesgroup.com > > > __________________________ > This e-mail contains confidential information for the addressee only. If a > transmission error has misdirected this e-mail, please notify us on > +44(0)1293 644911 and delete it and all copies from your system. You should > not use, disclose, distribute or copy this communication if received in > error. > > ------------------------------------------- > 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: > majord...@ieee.org > with the single line: > unsubscribe emc-pstc > > For help, send mail to the list administrators: > Ron Pickard: emc-p...@hypercom.com > Dave Heald: emc_p...@symbol.com > > For policy questions, send mail to: > Richard Nute: ri...@ieee.org > Jim Bacher: j.bac...@ieee.org > > 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 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: majord...@ieee.org with the single line: unsubscribe emc-pstc For help, send mail to the list administrators: Ron Pickard: emc-p...@hypercom.com Dave Heald: emc_p...@symbol.com For policy questions, send mail to: Richard Nute: ri...@ieee.org Jim Bacher: j.bac...@ieee.org 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