[aprssig] Emergency Power for Ham stuff (Voltage)

Robert Bruninga bruninga at usna.edu
Wed Jan 20 09:32:28 CST 2016


> ... Around power, keep one hand in your pocket.
>  If you don't know what you're doing, keep the other hand in your pocket
> too!'

Which reminds me.  I'm giving these solar panels and 48v power supplies to
youth groups to teach about solar.  When I google for "safe" low voltage,
there seems to be all kinds of standards.  Some  as high as 60v, others say
50v, some say 30v AC, and of course bell circuits all use 24vac.

It seems that the 48 Voc DC solar panel inherently current limited to 600 ma
(current relates to safety of HOT conductors, voltage is the shock issue)...
is not a suable issue...(?)

Bob


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