Re: [PSES] Couple of loosely related safety questions

2024-04-27 Thread Ralph McDiarmid
Gregory Sent: Friday, April 26, 2024 4:12 PM To: EMC-PSTC@LISTSERV.IEEE.ORG Subject: [PSES] Couple of loosely related safety questions 1. Clearances for US Safety: I'd cite the relevant standards, but they are so alike (identical Clearance tables), and so alike to UL 508, I'll defer

Re: [PSES] Couple of loosely related safety questions

2024-04-26 Thread Richard Nute
, Rich From: Brian Gregory [mailto:brian_greg...@netzero.net] Sent: Friday, April 26, 2024 4:12 PM To: EMC-PSTC@LISTSERV.IEEE.ORG Subject: [PSES] Couple of loosely related safety questions 1. Clearances for US Safety: I'd cite the relevant standards, but they are so alike (identical

Re: [PSES] Couple of loosely related safety questions

2024-04-26 Thread John Allen
Friday, April 26, 2024 6:54 PM To: EMC-PSTC@LISTSERV.IEEE.ORG Subject: Re: [PSES] Couple of loosely related safety questions [EXTERNAL EMAIL] DO NOT CLICK links or attachments unless you recognize the sender and know the content is safe. Hi Brian: You should attend the IEEE PSES Symposium

Re: [PSES] Couple of loosely related safety questions

2024-04-26 Thread Richard Nute
[mailto:brian_greg...@netzero.net] Sent: Friday, April 26, 2024 4:12 PM To: EMC-PSTC@LISTSERV.IEEE.ORG Subject: [PSES] Couple of loosely related safety questions 1. Clearances for US Safety: I'd cite the relevant standards, but they are so alike (identical Clearance tables), and so alike to UL

[PSES] Couple of loosely related safety questions

2024-04-26 Thread Brian Gregory
1. Clearances for US Safety: I'd cite the relevant standards, but they are so alike (identical Clearance tables), and so alike to UL 508, I'll defer. Here's the question: When citing clearance spacing from "uninsulated live components" does one measure from the edge of a PCB to the