raden wrote:
In message , Michael Chare
writes

Remember that the STB stuffs about 20v down the Coax to drive the
LNB. This is
enough to give you an electric shock.


Is this from direct experience or are you perpetuating an urban myth here?

In this case the LNB control voltage (13-18v) is unlikely to provide a
shock, but you might well find around 100 volts w.r.t.earth on the
screen of the co-ax as the digibox's chassis floats (as do many similar
un-earthed devices) at this potential. You can't draw any significant
current, so it's not harmful, but it does make you jump !

--
Mark
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