I realize this is not an authoritive page with regard to codes and standards but it has a good synopsis of the grid and power distribution.
http://en.wikipedia.org/wiki/Electric_power_distribution Check the graphic on "General layout of electricity networks" -doug Douglas E Powell http://www.linkedin.com/in/dougp01 On 2/22/12, [email protected] <[email protected]> wrote: > I am not certain "low voltage" is determined solely by voltage reading. > This is terminology that comes from utilities and power distribution. > Medium voltage being less than 50 kV and Low voltage less the 1000 V. If you > are in a low voltage application, you are below a substation at the > secondary customer level. > > > Doug > > Douglas E Powell > http://www.linkedin.com/in/dougp01 > > > > > Sent from my Verizon Wireless BlackBerry > > -----Original Message----- > From: Peter Tarver <[email protected]> > Date: Wed, 22 Feb 2012 09:28:47 > To: <[email protected]> > Reply-To: [email protected] > Subject: [PSES] EU wiring code low voltage / medium voltage transition > > Good morning. > > In the US, low voltage is considered 600 Vac or less. > Medium voltage begins above 600 Vac. > > In Canada, low voltage is considered 750 Vac or less. > Medium voltage begins above 750 Vac. > > Is there a similar (harmonized or not) voltage level > transition in Europe? Is the LVD's 1000 Vac limit that > demarc? > > - > ---------------------------------------------------------------- > 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 > <[email protected]> > > 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://listserv.ieee.org/request/user-guide.html > List rules: http://www.ieee-pses.org/listrules.html > > For help, send mail to the list administrators: > Scott Douglas <[email protected]> > Mike Cantwell <[email protected]> > > For policy questions, send mail to: > Jim Bacher: <[email protected]> > David Heald: <[email protected]> > - ---------------------------------------------------------------- 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 <[email protected]> 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://listserv.ieee.org/request/user-guide.html List rules: http://www.ieee-pses.org/listrules.html For help, send mail to the list administrators: Scott Douglas <[email protected]> Mike Cantwell <[email protected]> For policy questions, send mail to: Jim Bacher: <[email protected]> David Heald: <[email protected]>
