I've had the same thing from my solid state coil, I get RF burns from
touching just about anything conductive near the coil, including another
secondary, the variac case, wheel (its an old one with a metal knob for some
reason). Another secondary (or anything conductive) near a runnign coil
would intercept enough of the field near the coil to have some voltage
induced in it.
I wouldn't call this a beginners mistake.
I've never heard of someone getting an rf burn from holding another
secondary, but then, it's not a common situation.
Was the secondary completely unconnected to anything else (sort of say a
small secondary coil)?
Bart
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