Jonathan,
I do not think that anyone offering Nixie clock kits is getting them
agency certified. Using an external power adapter eliminates the
mains-connected liability (as long as the adapter is certified), and the
internal high voltage is not much of a problem, if you design the PC
board so that HV is not easily accessible by fingers.
The important thing it to not set someone's house on fire.
Enforcement of EMC directives is so minimal in the USA, at least, that
the odds of it becoming a legal problem are very nearly zero. Still, it
makes sense to design in such a way that RF emission is as small as
possible, by making the switching power supply layout compact, and using
direct drive.
On 5/5/16 9:39 AM, Jonathan F. wrote:
Hello
Seems like there are a few people in this group that have developed kits
involving nixie-tubes and sell those kits.
I'm starting to think about developing my own kits via a kick-starter
campaign. But it seems it's dead before it has begun.
I live in Switzerland, and would like to sell the kits over the world,
so i did research about responsibility for products inside the EU and
spoke to a local electrical safety authority.
Here is the problem:
It seems to be, that all electronic products have to fulfill EN 60950
and EN 60065 Norms. Since its a kit, its a "electronic toy" and has to
fulfill the DIN 57869 Norm. And because of the fact that nixie tubes
work with >50V, it needs even more safety rules.
Only the EMC does not seem a problem, because its just a PCB with out a
case, so the EMC can't even be measured.
Now, only to get access to the norms is about 1000$, and i guess all the
certificates wont be free!
In US, i did not yet study the rules, but i think you need to fulfill
the "FCC"
So, i just want to ask, if all that kit makes take the risk to be
responsible in case anything happens with the kit (e.g worst case
someone dies) or if there is a way to avoid all the certificates and norms.
I think all those eastern europe ebay kit sellers don't have to worry,
because "you won't get them" anyway. But in US or Europe i think you
could run into serious problems.
Im happy to hear from you.
--
David Forbes, Tucson AZ
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