Andrew Chesters wrote:
Mark Carver wrote:

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 !

And should you be at the top of a ladder, it can be injurious to you
health!

Bond the co-ax screen to your ladder then :-)


--
Mark
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