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Andrew Gabriel
 
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Default Electric fence power indicator? Neon?

In article ,
Chris Wilson writes:
Would like some DIY means of having a visual light indicator that power
is on to an electric fence (well, fenceS actually), one around a chicken
run, using poultry netting, and the other wires around a 3/4 acre bird
enclosure. You can buy some sort of neon indicators from the electric
fence makers, but they are about 20 quid each... I was thinking something
about 2 quid each G. The potential on the wires is between 9 and 10 KV,
to a decent earth. Thanks.


Try a wire-ended neon, one end connected to fence and other end
just pointing away from the fence wire into the air. If it's too
dim, extend the wire pointing into the air. This is how some of
the much larger aircraft warning lamps strung along HV transmission
lines work -- the floating wire leaks enough current by corona
discharge and capacitively to light the lamps.

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Andrew Gabriel