Hi Amund, I find it helps to think of insulation as Creepage, Clearance, and Solid Insulation all in parallel. The strength of the insulation is the strength of the weakest path.
All the best James James Pawson Managing Director & EMC Problem Solver Unit 3 Compliance Ltd EMC : Environmental & Vibration : Electrical Safety : CE & UKCA : Consultancy www.unit3compliance.co.uk | [email protected] +44(0)1274 911747 | +44(0)7811 139957 2 Wellington Business Park, New Lane, Bradford, BD4 8AL Registered in England and Wales # 10574298 Office hours: Every morning my full attention is on consultancy, testing, and troubleshooting activities for our customers’ projects. I’m available/contactable between 1300h to 1730h Mon/Tue/Thurs/Fri. For inquiries, bookings, and testing updates please send us an email on [email protected] or call 01274 911747. Our lead times for testing and consultancy are typically 4-5 weeks. -----Original Message----- From: Amund Westin <[email protected]> Sent: 12 November 2024 08:30 To: [email protected] Subject: Re: [PSES] Safeguard - Skilled person Thanks James, Yes, I see there is a big difference between Instructed and Skilled related to Safeguards. ==> creepage and clearance distance is one Safeguard together? BR Amund On 2024-11-12 09:25, James Pawson (U3C) wrote: > Hi Amund, > > If the equipment is to be used by a normal or instructed person then > it will still need two safeguards for a Class 3 energy source. > > It would be a very rare piece of equipment that only gets used by a > skilled person! > > All the best > > James > > James Pawson > > Managing Director & EMC Problem Solver > > Unit 3 Compliance Ltd > > EMC : Environmental & Vibration : Electrical Safety : CE & UKCA : > Consultancy > > www.unit3compliance.co.uk [1] | [email protected] > > +44(0)1274 911747 | +44(0)7811 139957 > > 2 Wellington Business Park, New Lane, Bradford, BD4 8AL > > Registered in England and Wales # 10574298 > > _Office hours:_ > > _Every morning my full attention is on consultancy, testing, and > troubleshooting activities for our customers' projects. I'm > available/contactable between 1300h to 1730h Mon/Tue/Thurs/Fri._ > > _For inquiries, bookings, and testing updates please send us an email > on [email protected] or call 01274 911747. Our lead times > for testing and consultancy are typically 4-5 weeks._ > > From: Amund Westin <[email protected]> > Sent: 12 November 2024 06:20 > To: [email protected] > Subject: [PSES] Safeguard - Skilled person > > IEC TR 62368-2:2019:, Ch.4.3.4 "Safeguards for protection of a skilled > person", table 1: > > Skilled persons require 0 safeguard to Class 3 energy source. > > Does this requirement make influence on the creepage and clearance > distances? > > BR Amund > > ------------------------- > > 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: > https://www.mail-archive.com/[email protected]/ [2] > > Website: https://ewh.ieee.org/soc/pses/ [3] > Instructions: https://ewh.ieee.org/soc/pses/list.html (including how > to unsubscribe) [4] List rules: > https://ewh.ieee.org/soc/pses/listrules.html > > For help, send mail to the list administrators: > Mike Sherman at: [email protected] Rick Linford at: > [email protected] > > For policy questions, send mail to: > Jim Bacher at: [email protected] > > ------------------------- > > To unsubscribe from the EMC-PSTC list, click the following link: > https://listserv.ieee.org/cgi-bin/wa?SUBED1=EMC-PSTC&A=1 > > [5] > Virus-free.www.avg.com [5] > > > > Links: > ------ > [1] http://www.unit3compliance.co.uk/ > [2] https://www.mail-archive.com/[email protected]/%20 > [3] https://ewh.ieee.org/soc/pses/ > [4] https://ewh.ieee.org/soc/pses/list.html > [5] > http://www.avg.com/email-signature?utm_medium=email&utm_source=link&ut > m_campaign=sig-email&utm_content=emailclient -- Best regards / Mit freundlichen Grüßen / Mvh Amund Westin (Siv.ing / M.Sc) ********************************** Westin Emission Oslo, Norway EMC / Safety / Product Compliance consultant Cell: (+47) 920 17 031 Skype: EMC.amund E-mail: [email protected] Web: https://www.westin-emission.no/ Linkedin: http://lnkd.in/2xHtrH Member of Norsk Elektroteknisk Komite - sector EMC and IET ********************************** - ---------------------------------------------------------------- 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 [email protected] All emc-pstc postings are archived and searchable on the web at: https://www.mail-archive.com/[email protected]/ Website: https://ewh.ieee.org/soc/pses/ Instructions: https://ewh.ieee.org/soc/pses/list.html (including how to unsubscribe) List rules: https://ewh.ieee.org/soc/pses/listrules.html For help, send mail to the list administrators: Mike Sherman at: [email protected] Rick Linford at: [email protected] For policy questions, send mail to: Jim Bacher: <[email protected]> _________________________________________________ To unsubscribe from the EMC-PSTC list, click the following link: https://listserv.ieee.org/cgi-bin/wa?SUBED1=EMC-PSTC&A=1
