Much appreciated David! Nick
On Sun, Sep 18, 2016 at 12:25 PM, David Forbes <[email protected]> wrote: > Nick, > > The mark that indicates that the input and output are fully isolated from > each other is a square within another square, called "double insulated". If > you don't see that mark, and you see a UL or ETL mark, then it's reasonable > to assume that the barrel is grounded, because otherwise the unit wouldn't > pass UL or ETL testing. > > > On 9/18/16 12:06 PM, Nicholas Stock wrote: > >> Hi Fellow lovers of neon... >> >> I have a question from a bit of a novice here (me..). I'm working on a >> project that involves a dekatron or two and want to make sure that >> there's some degree of safety when placed inside a metal case and HV is >> involved. Instead of an IEC inlet and transformer inside the device, I >> want to use a 12V DC supply with a ground connection or -ve side tied to >> Earth. I found the following picture in my PSU stash and checked the >> continuity of the barrel side of the supply and Earth and there's >> continuity. Can anyone tell me which symbol on the PSU denotes this >> (instead of it being a truly isolated supply) or if anyone has any other >> ideas about how to go about a 'safe' 12V DC supply (I looked at the >> medical grade PSU's with 4 pin DIN and earthed shell, but they're quite >> expensive). >> >> Apologies if this seems like a stupid question... >> >> Thanks, >> >> Nick >> >> image1.JPG >> >> -- >> You received this message because you are subscribed to the Google >> Groups "neonixie-l" group. >> To unsubscribe from this group and stop receiving emails from it, send >> an email to [email protected] >> <mailto:[email protected]>. >> To post to this group, send email to [email protected] >> <mailto:[email protected]>. >> To view this discussion on the web, visit >> https://groups.google.com/d/msgid/neonixie-l/CAOX%2BRHJt%2Bi >> v3jUBFWe7PYzfX5CotfRPUf7ZYMBUzdeSk6p1TMQ%40mail.gmail.com >> <https://groups.google.com/d/msgid/neonixie-l/CAOX%2BRHJt%2B >> iv3jUBFWe7PYzfX5CotfRPUf7ZYMBUzdeSk6p1TMQ%40mail.gmail.com? >> utm_medium=email&utm_source=footer>. >> For more options, visit https://groups.google.com/d/optout. >> > > > -- > David Forbes, Tucson AZ > > -- > You received this message because you are subscribed to the Google Groups > "neonixie-l" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > To post to this group, send an email to [email protected]. > To view this discussion on the web, visit https://groups.google.com/d/ms > gid/neonixie-l/a3b38c64-a24f-9ddd-4a9b-a4a3f97c50c7%40dakotacom.net. > For more options, visit https://groups.google.com/d/optout. > -- You received this message because you are subscribed to the Google Groups "neonixie-l" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To post to this group, send an email to [email protected]. To view this discussion on the web, visit https://groups.google.com/d/msgid/neonixie-l/CAOX%2BRHLsPeHambbYP0L%3DWoPBhvKWbycVESy9LG4CanANXn2WrQ%40mail.gmail.com. For more options, visit https://groups.google.com/d/optout.
