I believe NFPA 70 specifies 120/240V for all residential household voltages. -Dave
From: McDiarmid, Ralph [mailto:ralph.mcdiar...@schneider-electric.com] Sent: Thursday, October 22, 2015 5:19 PM To: EMC-PSTC@LISTSERV.IEEE.ORG Subject: Re: [PSES] 208 split-phase? Most residential high-rise buildings distribute 120/208V throughout the building. Electric ranges and dryers will run from 120/208V or 120/240V _______________________________________________________________________________ Ralph McDiarmid | Schneider Electric | Solar Business | CANADA | Regulatory Compliance Engineering From: Don Gies <don.g...@alcatel-lucent.com> To: EMC-PSTC@LISTSERV.IEEE.ORG, Date: 10/22/2015 03:09 AM Subject: Re: [PSES] 208 split-phase? ________________________________ Peter, It doesn’t sound right. Somebody may be describing a 120/240 V, 3-Wire system, and mixing it up with a 120/208 V, Y-connected power. Hope all is well. DON GIES ALCATEL-LUCENT SENIOR PRODUCT COMPLIANCE ENGINEER GLOBAL PRODUCT COMPLIANCE LABORATORY 600-700 Mountain Avenue Room 5B-104 Murray Hill, NJ 07974-0636 USA Phone: +1 908 582 5978 Mobile: +1 732 207 7828 don.g...@alcatel-lucent.com<mailto:don.g...@alcatel-lucent.com> -----Original Message----- From: Peter Tarver [mailto:ptar...@ieee.org] Sent: Wednesday, October 21, 2015 10:22 AM To: EMC-PSTC@LISTSERV.IEEE.ORG Subject: [PSES] 208 split-phase? Good morning. There are oftensmall, legacy grids that you come across or hear about. I was recently told that some areas of the Northeast US have a 208 V, split-phase power system to some residences and small businesses. Still 180° phase-to-phase and presumably 104 V phase-to-Neutral. A specific area cited was "around Boston." Has anyone heard of or directly experienced this voltage system? Is it split-phase or was I misinformed and it's from a WYE connected transformer? Peter Tarver ptar...@ieee.org<mailto:ptar...@ieee.org> - ---------------------------------------------------------------- This message is from the IEEE Product Safety Engineering Society emc-pstc discussion list. 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To post a message to the list, send your e-mail to <emc-p...@ieee.org<mailto: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)<http://www.ieee-pses.org/list.html> List rules: http://www.ieee-pses.org/listrules.html For help, send mail to the list administrators: Scott Douglas <sdoug...@ieee.org<mailto:sdoug...@ieee.org>> Mike Cantwell <mcantw...@ieee.org<mailto:mcantw...@ieee.org>> For policy questions, send mail to: Jim Bacher <j.bac...@ieee.org<mailto:j.bac...@ieee.org>> David Heald <dhe...@gmail.com<mailto:dhe...@gmail.com>> - ---------------------------------------------------------------- This message is from the IEEE Product Safety Engineering Society emc-pstc discussion list. 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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>
