Re: [PSES] Ground on ship

[Doug Powell]

This is purely speculation on my part but it seems to me that the single syllable "ground" is a lazy way of referring to anything that is a common return line, whether bonded to earth or not. I've seen circuits with references to Gnd0, Gnd1, Gnd2, Gnd-Iso, etc.   Of course, this shorthand way of referring to circuits does cause a lot of confusion. And, I personally classify this as falling into the same category as when people with an inexperienced eye say this bit of failed electronics "must have a short somewhere" . Doug -- Douglas E Powell doug...@gmail.com https://www.linkedin.com/in/dougp01  Currently out of the office and working from my Android phone From: ri...@ieee.org Sent: July 13, 2019 1:26 PM To: EMC-PSTC@LISTSERV.IEEE.ORG Reply-to: ri...@ieee.org Subject: Re: [PSES] Ground on ship Hi Bill: On 7/13/2019 10:42 AM, Bill Owsley wrote: They started out, and still in some rural areas, use earth as the "ground" for the return of the AC power being provided to users. The descriptive term is "SWER,"  Single Wire Earth Return. https://en.wikipedia.org/wiki/Single-wire_earth_return https://www.esdnews.com.au/swer-still-going-strong/ A brief history and acknowledgement of the SWER inventor: https://www.engineeringnz.org/our-work/heritage/heritage-records/single-wire-earth-return-swer/ And, a more scholarly report: https://scholarsmine.mst.edu/cgi/viewcontent.cgi?article=6061&context=masters_theses Best regards, Rich - ---------------------------------------------------------------- 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 <emc-p...@ieee.org> All emc-pstc postings are archived and searchable on the web at: http://www.ieee-pses.org/emc-pstc.html Attachments are not permitted but the IEEE PSES Online Communities site at http://product-compliance.oc.ieee.org/ can be used for graphics (in well-used formats), large files, etc. Website: http://www.ieee-pses.org/ Instructions: http://www.ieee-pses.org/list.html (including how to unsubscribe) List rules: http://www.ieee-pses.org/listrules.html For help, send mail to the list administrators: Scott Douglas <sdoug...@ieee.org> Mike Cantwell <mcantw...@ieee.org> For policy questions, send mail to: Jim Bacher <j.bac...@ieee.org> David Heald <dhe...@gmail.com> - ---------------------------------------------------------------- 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 <emc-p...@ieee.org> All emc-pstc postings are archived and searchable on the web at: http://www.ieee-pses.org/emc-pstc.html Attachments are not permitted but the IEEE PSES Online Communities site at http://product-compliance.oc.ieee.org/ can be used for graphics (in well-used formats), large files, etc. Website: http://www.ieee-pses.org/ Instructions: http://www.ieee-pses.org/list.html (including how to unsubscribe) List rules: http://www.ieee-pses.org/listrules.html For help, send mail to the list administrators: Scott Douglas <sdoug...@ieee.org> Mike Cantwell <mcantw...@ieee.org> For policy questions, send mail to: Jim Bacher <j.bac...@ieee.org> David Heald <dhe...@gmail.com>